Air Canada flight AC 4185: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 14:50 San Francisco (SFO) 3 21:27 Chicago O'Hare (ORD) 1
AC 4185 Non-stop Airbus A321neo (32Q) 4:37 Effective 2026-05-21 through 2026-10-24
Codeshare flight, operated by United Airlines.(UA 794)
Daily 15:00 San Francisco (SFO) 3 21:38 Chicago O'Hare (ORD) 1
AC 4185 Non-stop Airbus A321neo (32Q) 4:38 Effective 2026-03-29 through 2026-04-29
Codeshare flight, operated by United Airlines.(UA 2855)
Daily 15:00 San Francisco (SFO) 3 21:33 Chicago O'Hare (ORD) 1
AC 4185 Non-stop Boeing 757-300 (753) 4:33 Effective 2026-04-30 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 2855)
Daily 15:00 San Francisco (SFO) 3 21:38 Chicago O'Hare (ORD) 1
AC 4185 Non-stop Airbus A321neo (32Q) 4:38 Effective from 2026-10-25
Codeshare flight, operated by United Airlines.(UA 2855)
Tue 17:25 Denver (DEN) 22:18 Atlanta (ATL) N
AC 4185 Non-stop Airbus A319 (319) 2:53 Effective 2026-02-17 through 2026-03-03
Codeshare flight, operated by United Airlines.(UA 1305)
Daily 17:35 Denver (DEN) 22:35 Atlanta (ATL) N
AC 4185 Non-stop Airbus A319 (319) 3:00 Effective 2026-01-06 through 2026-02-02
Codeshare flight, operated by United Airlines.(UA 1305)
Tue 17:35 Denver (DEN) 22:34 Atlanta (ATL) N
AC 4185 Non-stop Boeing 737-800 (738) 2:59 Operates only on 2026-02-03
Codeshare flight, operated by United Airlines.(UA 1305)
Daily 17:35 Denver (DEN) 22:35 Atlanta (ATL) N
AC 4185 Non-stop Airbus A319 (319) 3:00 Effective 2026-02-04 through 2026-02-11
Codeshare flight, operated by United Airlines.(UA 1305)
Mon,Thu-Sun 17:45 Denver (DEN) 22:46 Atlanta (ATL) N
AC 4185 Non-stop Airbus A319 (319) 3:01 Valid until 2026-01-05
Codeshare flight, operated by United Airlines.(UA 1305)
Thu-Sat 17:50 Denver (DEN) 22:48 Atlanta (ATL) N
AC 4185 Non-stop Boeing 737-800 (738) 2:58 Effective 2026-03-05 through 2026-03-07
Codeshare flight, operated by United Airlines.(UA 1305)
Mon,Wed-Sun 17:55 Denver (DEN) 22:54 Atlanta (ATL) N
AC 4185 Non-stop Airbus A319 (319) 2:59 Effective 2026-02-12 through 2026-03-04
Codeshare flight, operated by United Airlines.(UA 1305)
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This flight number is listed as serving the following routes:


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Air Canada flight AC 4185: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC4185
14:50
San Francisco (SFO) 3

21:27
Chicago O'Hare (ORD) 1
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 794)
Duration: 4:37, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC4185
15:00
San Francisco (SFO) 3

21:38
Chicago O'Hare (ORD) 1
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2855)
Duration: 4:38, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC4185
15:00
San Francisco (SFO) 3

21:33
Chicago O'Hare (ORD) 1
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2855)
Duration: 4:33, non-stop
Boeing 757-300 (753)
Direct Codeshare Flights:
Air Canada AC4185
15:00
San Francisco (SFO) 3

21:38
Chicago O'Hare (ORD) 1
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2855)
Duration: 4:38, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC4185
17:25
Denver (DEN)

22:18
Atlanta (ATL) N
Effective 2026-02-17 through 2026-03-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1305)
Duration: 2:53, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4185
17:35
Denver (DEN)

22:35
Atlanta (ATL) N
Effective 2026-01-06 through 2026-02-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1305)
Duration: 3:00, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4185
17:35
Denver (DEN)

22:34
Atlanta (ATL) N
Operates only on 2026-02-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1305)
Duration: 2:59, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4185
17:35
Denver (DEN)

22:35
Atlanta (ATL) N
Effective 2026-02-04 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1305)
Duration: 3:00, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4185
17:45
Denver (DEN)

22:46
Atlanta (ATL) N
Valid until 2026-01-05
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1305)
Duration: 3:01, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4185
17:50
Denver (DEN)

22:48
Atlanta (ATL) N
Effective 2026-03-05 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1305)
Duration: 2:58, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4185
17:55
Denver (DEN)

22:54
Atlanta (ATL) N
Effective 2026-02-12 through 2026-03-04
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1305)
Duration: 2:59, non-stop
Airbus A319 (319)
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This flight number is listed as serving the following routes:
  • Denver (DEN) - Atlanta (ATL)
  • San Francisco (SFO) - Chicago O'Hare (ORD)
All Air Canada flights
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