Air Canada flight AC 4372: San Francisco - Chicago O'Hare

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Wed-Fri 22:35 San Francisco (SFO) 3 04:58 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Boeing 757-300 (753) 4:23 Effective 2026-05-28 through 2026-06-04
Codeshare flight, operated by United Airlines.(UA 2278)
The flight arrives 1 day after departure.
Fri 22:35 San Francisco (SFO) 3 04:58 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Boeing 757-300 (753) 4:23 Operates only on 2026-06-12
Codeshare flight, operated by United Airlines.(UA 2278)
The flight arrives 1 day after departure.
Sat 22:35 San Francisco (SFO) 3 04:58 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Boeing 757-300 (753) 4:23 Operates only on 2026-06-20
Codeshare flight, operated by United Airlines.(UA 2278)
The flight arrives 1 day after departure.
Fri 22:35 San Francisco (SFO) 3 04:58 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Boeing 757-300 (753) 4:23 Operates only on 2026-07-17
Codeshare flight, operated by United Airlines.(UA 2278)
The flight arrives 1 day after departure.
Sat 22:35 San Francisco (SFO) 3 04:58 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Boeing 757-300 (753) 4:23 Operates only on 2026-07-25
Codeshare flight, operated by United Airlines.(UA 2278)
The flight arrives 1 day after departure.
Sat 22:35 San Francisco (SFO) 3 04:58 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Boeing 757-300 (753) 4:23 Operates only on 2026-08-08
Codeshare flight, operated by United Airlines.(UA 2278)
The flight arrives 1 day after departure.
Mon 22:35 San Francisco (SFO) 3 04:58 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Boeing 757-300 (753) 4:23 Operates only on 2026-08-17
Codeshare flight, operated by United Airlines.(UA 2278)
The flight arrives 1 day after departure.
Mon 22:45 San Francisco (SFO) 3 05:15 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Boeing 777 (777) 4:30 Operates only on 2026-05-11
Codeshare flight, operated by United Airlines.(UA 2278)
The flight arrives 1 day after departure.
Tue,Thu,Fri,Sun 22:50 San Francisco (SFO) 3 05:12 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Boeing 737 MAX 9 (7M9) 4:22 Effective 2026-02-12 through 2026-02-20
Codeshare flight, operated by United Airlines.(UA 2278)
The flight arrives 1 day after departure.
Mon,Wed,Fri,Sat 22:50 San Francisco (SFO) 3 05:12 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Boeing 737 MAX 9 (7M9) 4:22 Effective 2026-02-21 through 2026-02-28
Codeshare flight, operated by United Airlines.(UA 2278)
The flight arrives 1 day after departure.
Mon,Tue,Sun 22:50 San Francisco (SFO) 3 05:12 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Boeing 737 MAX 9 (7M9) 4:22 Effective 2026-03-01 through 2026-03-03
Codeshare flight, operated by United Airlines.(UA 2278)
The flight arrives 1 day after departure.
Tue 22:50 San Francisco (SFO) 3 05:12 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Boeing 737 MAX 9 (7M9) 4:22 Operates only on 2026-03-17
Codeshare flight, operated by United Airlines.(UA 2278)
The flight arrives 1 day after departure.
Daily 22:50 San Francisco (SFO) 3 05:27 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:37 Effective 2026-03-29 through 2026-04-04
Codeshare flight, operated by United Airlines.(UA 2278)
The flight arrives 1 day after departure.
Tue,Thu,Sat,Sun 22:50 San Francisco (SFO) 3 05:27 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:37 Effective 2026-04-07 through 2026-04-14
Codeshare flight, operated by United Airlines.(UA 2278)
The flight arrives 1 day after departure.
Tue,Fri-Sun 22:50 San Francisco (SFO) 3 05:27 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:37 Effective 2026-04-19 through 2026-04-25
Codeshare flight, operated by United Airlines.(UA 2278)
The flight arrives 1 day after departure.
Wed 22:50 San Francisco (SFO) 3 05:27 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:37 Operates only on 2026-04-29
Codeshare flight, operated by United Airlines.(UA 2278)
The flight arrives 1 day after departure.
Tue,Sat,Sun 23:05 San Francisco (SFO) 3 05:27 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Boeing 777 (777) 4:22 Valid until 2026-01-04
Codeshare flight, operated by United Airlines.(UA 2097)
The flight arrives 1 day after departure.
Tue 23:10 San Francisco (SFO) 3 05:39 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:29 Operates only on 2026-02-03
Codeshare flight, operated by United Airlines.(UA 1184)
The flight arrives 1 day after departure.
Wed,Fri 23:15 San Francisco (SFO) 3 05:44 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:29 Effective 2026-01-07 through 2026-01-09
Codeshare flight, operated by United Airlines.(UA 1184)
The flight arrives 1 day after departure.
Thu,Sat 23:15 San Francisco (SFO) 3 05:44 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:29 Effective 2026-01-15 through 2026-01-17
Codeshare flight, operated by United Airlines.(UA 1184)
The flight arrives 1 day after departure.
Tue,Fri,Sun 23:15 San Francisco (SFO) 3 05:44 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:29 Effective 2026-01-23 through 2026-01-27
Codeshare flight, operated by United Airlines.(UA 1184)
The flight arrives 1 day after departure.
Mon,Sat 23:15 San Francisco (SFO) 3 05:44 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:29 Effective 2026-01-31 through 2026-02-09
Codeshare flight, operated by United Airlines.(UA 1184)
The flight arrives 1 day after departure.
Tue,Wed 23:15 San Francisco (SFO) 3 05:44 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:29 Effective 2026-02-10 through 2026-02-11
Codeshare flight, operated by United Airlines.(UA 1184)
The flight arrives 1 day after departure.
Mon,Wed,Fri 23:30 San Francisco (SFO) 3 05:57 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:27 Effective 2026-05-22 through 2026-05-27
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Tue,Fri-Sun 23:30 San Francisco (SFO) 3 05:57 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:27 Effective 2026-05-30 through 2026-06-06
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Tue,Wed 23:30 San Francisco (SFO) 3 05:57 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:27 Effective 2026-06-09 through 2026-06-10
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Wed,Fri 23:30 San Francisco (SFO) 3 05:57 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:27 Effective 2026-06-17 through 2026-06-19
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Wed,Sat 23:30 San Francisco (SFO) 3 05:57 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:27 Effective 2026-06-27 through 2026-07-01
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Sun 23:30 San Francisco (SFO) 3 05:57 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:27 Effective 2026-07-05 through 2026-07-12
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Thu 23:30 San Francisco (SFO) 3 05:57 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:27 Effective 2026-07-23 through 2026-07-30
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Fri,Sat 23:30 San Francisco (SFO) 3 05:57 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:27 Effective 2026-07-31 through 2026-08-07
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Wed,Fri-Sun 23:30 San Francisco (SFO) 3 05:57 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:27 Effective 2026-08-09 through 2026-08-15
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Mon,Tue 23:30 San Francisco (SFO) 3 05:57 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:27 Effective 2026-08-18 through 2026-08-25
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Wed 23:30 San Francisco (SFO) 3 05:57 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:27 Operates only on 2026-08-26
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Mon,Fri-Sun 23:30 San Francisco (SFO) 3 05:57 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:27 Effective 2026-09-04 through 2026-09-07
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Mon,Tue,Sat,Sun 23:30 San Francisco (SFO) 3 05:57 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:27 Effective 2026-09-12 through 2026-09-15
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Mon-Wed,Sun 23:30 San Francisco (SFO) 3 05:57 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:27 Effective 2026-09-20 through 2026-09-23
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Tue,Wed 23:30 San Francisco (SFO) 3 05:57 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:27 Effective 2026-09-30 through 2026-10-07
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Thu,Fri 23:30 San Francisco (SFO) 3 05:57 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:27 Effective 2026-10-08 through 2026-10-16
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Sat 23:30 San Francisco (SFO) 3 05:57 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:27 Operates only on 2026-10-17
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Mon,Wed-Fri,Sun 23:35 San Francisco (SFO) 3 05:58 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Boeing 757-300 (753) 4:23 Valid until 2026-01-02
Codeshare flight, operated by United Airlines.(UA 1947)
The flight arrives 1 day after departure.
Mon 23:35 San Francisco (SFO) 3 05:55 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:20 Operates only on 2026-01-05
Codeshare flight, operated by United Airlines.(UA 1947)
The flight arrives 1 day after departure.
Mon-Fri,Sun 23:50 San Francisco (SFO) 3 06:18 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:28 Effective from 2026-10-25
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Tue,Thu-Sun 23:55 San Francisco (SFO) 3 06:19 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Boeing 757-300 (753) 4:24 Effective 2026-04-30 through 2026-05-07
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Sun 23:55 San Francisco (SFO) 3 06:19 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Boeing 757-300 (753) 4:24 Effective 2026-05-10 through 2026-05-17
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Tue,Wed 23:55 San Francisco (SFO) 3 06:19 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Boeing 757-300 (753) 4:24 Effective 2026-05-19 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Mon,Tue,Thu,Sat,Sun 23:56 San Francisco (SFO) 3 06:25 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:29 Effective 2026-01-06 through 2026-01-13
Codeshare flight, operated by United Airlines.(UA 1288)
The flight arrives 1 day after departure.
Mon-Wed,Fri,Sun 23:56 San Francisco (SFO) 3 06:25 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:29 Effective 2026-01-14 through 2026-01-21
Codeshare flight, operated by United Airlines.(UA 1288)
The flight arrives 1 day after departure.
Mon,Wed,Thu,Sat 23:56 San Francisco (SFO) 3 06:25 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:29 Effective 2026-01-22 through 2026-01-29
Codeshare flight, operated by United Airlines.(UA 1288)
The flight arrives 1 day after departure.
Wed-Fri,Sun 23:56 San Francisco (SFO) 3 06:25 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:29 Effective 2026-01-30 through 2026-02-08
Codeshare flight, operated by United Airlines.(UA 1288)
The flight arrives 1 day after departure.
Mon,Wed,Sat 23:59 San Francisco (SFO) 3 06:19 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:20 Effective 2026-02-14 through 2026-02-18
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Tue,Thu,Sun 23:59 San Francisco (SFO) 3 06:19 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:20 Effective 2026-02-22 through 2026-02-26
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Wed-Fri 23:59 San Francisco (SFO) 3 06:19 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:20 Effective 2026-03-04 through 2026-03-06
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Sat 23:59 San Francisco (SFO) 3 07:19 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:20 Operates only on 2026-03-07
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Wed-Sun 23:59 San Francisco (SFO) 3 06:19 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:20 Effective 2026-03-08 through 2026-03-28
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Mon,Tue 23:59 San Francisco (SFO) 3 06:17 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Boeing 737 MAX 9 (7M9) 4:18 Effective 2026-03-09 through 2026-03-16
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Mon,Tue 23:59 San Francisco (SFO) 3 06:17 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Boeing 737 MAX 9 (7M9) 4:18 Effective 2026-03-23 through 2026-03-24
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Mon,Wed,Fri,Sun 23:59 San Francisco (SFO) 3 06:27 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:28 Effective 2026-04-05 through 2026-04-10
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Mon,Wed-Sat 23:59 San Francisco (SFO) 3 06:27 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:28 Effective 2026-04-13 through 2026-04-23
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
Mon,Tue,Sun 23:59 San Francisco (SFO) 3 06:27 Chicago O'Hare (ORD) 1
AC 4372 Non-stop Airbus A321neo (32Q) 4:28 Effective 2026-04-26 through 2026-04-28
Codeshare flight, operated by United Airlines.(UA 2056)
The flight arrives 1 day after departure.
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Air Canada flight AC 4372:
San Francisco - Chicago O'Hare
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC4372
22:35
San Francisco (SFO) 3

04:58(+1)
Chicago O'Hare (ORD) 1
Effective 2026-05-28 through 2026-06-04
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2278)
Duration: 4:23, non-stop
Boeing 757-300 (753)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
22:35
San Francisco (SFO) 3

04:58(+1)
Chicago O'Hare (ORD) 1
Operates only on 2026-06-12
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2278)
Duration: 4:23, non-stop
Boeing 757-300 (753)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
22:35
San Francisco (SFO) 3

04:58(+1)
Chicago O'Hare (ORD) 1
Operates only on 2026-06-20
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2278)
Duration: 4:23, non-stop
Boeing 757-300 (753)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
22:35
San Francisco (SFO) 3

04:58(+1)
Chicago O'Hare (ORD) 1
Operates only on 2026-07-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2278)
Duration: 4:23, non-stop
Boeing 757-300 (753)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
22:35
San Francisco (SFO) 3

04:58(+1)
Chicago O'Hare (ORD) 1
Operates only on 2026-07-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2278)
Duration: 4:23, non-stop
Boeing 757-300 (753)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
22:35
San Francisco (SFO) 3

04:58(+1)
Chicago O'Hare (ORD) 1
Operates only on 2026-08-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2278)
Duration: 4:23, non-stop
Boeing 757-300 (753)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
22:35
San Francisco (SFO) 3

04:58(+1)
Chicago O'Hare (ORD) 1
Operates only on 2026-08-17
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2278)
Duration: 4:23, non-stop
Boeing 757-300 (753)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
22:45
San Francisco (SFO) 3

05:15(+1)
Chicago O'Hare (ORD) 1
Operates only on 2026-05-11
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2278)
Duration: 4:30, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
22:50
San Francisco (SFO) 3

05:12(+1)
Chicago O'Hare (ORD) 1
Effective 2026-02-12 through 2026-02-20
Mon
-
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2278)
Duration: 4:22, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
22:50
San Francisco (SFO) 3

05:12(+1)
Chicago O'Hare (ORD) 1
Effective 2026-02-21 through 2026-02-28
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2278)
Duration: 4:22, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
22:50
San Francisco (SFO) 3

05:12(+1)
Chicago O'Hare (ORD) 1
Effective 2026-03-01 through 2026-03-03
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2278)
Duration: 4:22, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
22:50
San Francisco (SFO) 3

05:12(+1)
Chicago O'Hare (ORD) 1
Operates only on 2026-03-17
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2278)
Duration: 4:22, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
22:50
San Francisco (SFO) 3

05:27(+1)
Chicago O'Hare (ORD) 1
Effective 2026-03-29 through 2026-04-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2278)
Duration: 4:37, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
22:50
San Francisco (SFO) 3

05:27(+1)
Chicago O'Hare (ORD) 1
Effective 2026-04-07 through 2026-04-14
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2278)
Duration: 4:37, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
22:50
San Francisco (SFO) 3

05:27(+1)
Chicago O'Hare (ORD) 1
Effective 2026-04-19 through 2026-04-25
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2278)
Duration: 4:37, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
22:50
San Francisco (SFO) 3

05:27(+1)
Chicago O'Hare (ORD) 1
Operates only on 2026-04-29
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2278)
Duration: 4:37, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:05
San Francisco (SFO) 3

05:27(+1)
Chicago O'Hare (ORD) 1
Valid until 2026-01-04
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2097)
Duration: 4:22, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:10
San Francisco (SFO) 3

05:39(+1)
Chicago O'Hare (ORD) 1
Operates only on 2026-02-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1184)
Duration: 4:29, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:15
San Francisco (SFO) 3

05:44(+1)
Chicago O'Hare (ORD) 1
Effective 2026-01-07 through 2026-01-09
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1184)
Duration: 4:29, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:15
San Francisco (SFO) 3

05:44(+1)
Chicago O'Hare (ORD) 1
Effective 2026-01-15 through 2026-01-17
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1184)
Duration: 4:29, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:15
San Francisco (SFO) 3

05:44(+1)
Chicago O'Hare (ORD) 1
Effective 2026-01-23 through 2026-01-27
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1184)
Duration: 4:29, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:15
San Francisco (SFO) 3

05:44(+1)
Chicago O'Hare (ORD) 1
Effective 2026-01-31 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1184)
Duration: 4:29, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:15
San Francisco (SFO) 3

05:44(+1)
Chicago O'Hare (ORD) 1
Effective 2026-02-10 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1184)
Duration: 4:29, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:30
San Francisco (SFO) 3

05:57(+1)
Chicago O'Hare (ORD) 1
Effective 2026-05-22 through 2026-05-27
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:27, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:30
San Francisco (SFO) 3

05:57(+1)
Chicago O'Hare (ORD) 1
Effective 2026-05-30 through 2026-06-06
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:27, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:30
San Francisco (SFO) 3

05:57(+1)
Chicago O'Hare (ORD) 1
Effective 2026-06-09 through 2026-06-10
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:27, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:30
San Francisco (SFO) 3

05:57(+1)
Chicago O'Hare (ORD) 1
Effective 2026-06-17 through 2026-06-19
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:27, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:30
San Francisco (SFO) 3

05:57(+1)
Chicago O'Hare (ORD) 1
Effective 2026-06-27 through 2026-07-01
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:27, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:30
San Francisco (SFO) 3

05:57(+1)
Chicago O'Hare (ORD) 1
Effective 2026-07-05 through 2026-07-12
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:27, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:30
San Francisco (SFO) 3

05:57(+1)
Chicago O'Hare (ORD) 1
Effective 2026-07-23 through 2026-07-30
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:27, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:30
San Francisco (SFO) 3

05:57(+1)
Chicago O'Hare (ORD) 1
Effective 2026-07-31 through 2026-08-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:27, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:30
San Francisco (SFO) 3

05:57(+1)
Chicago O'Hare (ORD) 1
Effective 2026-08-09 through 2026-08-15
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:27, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:30
San Francisco (SFO) 3

05:57(+1)
Chicago O'Hare (ORD) 1
Effective 2026-08-18 through 2026-08-25
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:27, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:30
San Francisco (SFO) 3

05:57(+1)
Chicago O'Hare (ORD) 1
Operates only on 2026-08-26
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:27, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:30
San Francisco (SFO) 3

05:57(+1)
Chicago O'Hare (ORD) 1
Effective 2026-09-04 through 2026-09-07
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:27, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:30
San Francisco (SFO) 3

05:57(+1)
Chicago O'Hare (ORD) 1
Effective 2026-09-12 through 2026-09-15
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:27, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:30
San Francisco (SFO) 3

05:57(+1)
Chicago O'Hare (ORD) 1
Effective 2026-09-20 through 2026-09-23
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:27, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:30
San Francisco (SFO) 3

05:57(+1)
Chicago O'Hare (ORD) 1
Effective 2026-09-30 through 2026-10-07
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:27, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:30
San Francisco (SFO) 3

05:57(+1)
Chicago O'Hare (ORD) 1
Effective 2026-10-08 through 2026-10-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:27, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:30
San Francisco (SFO) 3

05:57(+1)
Chicago O'Hare (ORD) 1
Operates only on 2026-10-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:27, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:35
San Francisco (SFO) 3

05:58(+1)
Chicago O'Hare (ORD) 1
Valid until 2026-01-02
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1947)
Duration: 4:23, non-stop
Boeing 757-300 (753)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:35
San Francisco (SFO) 3

05:55(+1)
Chicago O'Hare (ORD) 1
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1947)
Duration: 4:20, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:50
San Francisco (SFO) 3

06:18(+1)
Chicago O'Hare (ORD) 1
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:28, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:55
San Francisco (SFO) 3

06:19(+1)
Chicago O'Hare (ORD) 1
Effective 2026-04-30 through 2026-05-07
Mon
-
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:24, non-stop
Boeing 757-300 (753)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:55
San Francisco (SFO) 3

06:19(+1)
Chicago O'Hare (ORD) 1
Effective 2026-05-10 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:24, non-stop
Boeing 757-300 (753)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:55
San Francisco (SFO) 3

06:19(+1)
Chicago O'Hare (ORD) 1
Effective 2026-05-19 through 2026-05-20
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:24, non-stop
Boeing 757-300 (753)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:56
San Francisco (SFO) 3

06:25(+1)
Chicago O'Hare (ORD) 1
Effective 2026-01-06 through 2026-01-13
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1288)
Duration: 4:29, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:56
San Francisco (SFO) 3

06:25(+1)
Chicago O'Hare (ORD) 1
Effective 2026-01-14 through 2026-01-21
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1288)
Duration: 4:29, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:56
San Francisco (SFO) 3

06:25(+1)
Chicago O'Hare (ORD) 1
Effective 2026-01-22 through 2026-01-29
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1288)
Duration: 4:29, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:56
San Francisco (SFO) 3

06:25(+1)
Chicago O'Hare (ORD) 1
Effective 2026-01-30 through 2026-02-08
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1288)
Duration: 4:29, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:59
San Francisco (SFO) 3

06:19(+1)
Chicago O'Hare (ORD) 1
Effective 2026-02-14 through 2026-02-18
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:20, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:59
San Francisco (SFO) 3

06:19(+1)
Chicago O'Hare (ORD) 1
Effective 2026-02-22 through 2026-02-26
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:20, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:59
San Francisco (SFO) 3

06:19(+1)
Chicago O'Hare (ORD) 1
Effective 2026-03-04 through 2026-03-06
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:20, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:59
San Francisco (SFO) 3

07:19(+1)
Chicago O'Hare (ORD) 1
Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:20, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:59
San Francisco (SFO) 3

06:19(+1)
Chicago O'Hare (ORD) 1
Effective 2026-03-08 through 2026-03-28
Mon
-
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:20, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:59
San Francisco (SFO) 3

06:17(+1)
Chicago O'Hare (ORD) 1
Effective 2026-03-09 through 2026-03-16
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:18, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:59
San Francisco (SFO) 3

06:17(+1)
Chicago O'Hare (ORD) 1
Effective 2026-03-23 through 2026-03-24
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:18, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:59
San Francisco (SFO) 3

06:27(+1)
Chicago O'Hare (ORD) 1
Effective 2026-04-05 through 2026-04-10
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:28, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:59
San Francisco (SFO) 3

06:27(+1)
Chicago O'Hare (ORD) 1
Effective 2026-04-13 through 2026-04-23
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:28, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4372
23:59
San Francisco (SFO) 3

06:27(+1)
Chicago O'Hare (ORD) 1
Effective 2026-04-26 through 2026-04-28
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2056)
Duration: 4:28, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here SFO-ORD
  • AC 4372 is a domestic flight departing from the San Francisco airport (SFO) and arriving at Chicago O'Hare airport (ORD).
  • The flight distance is 1840 miles, or 2962 km.
  • The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-6 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 4:18 and 4:37.
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