United Airlines flight UA 552: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 17:06 Pittsburgh (PIT) 19:54 San Francisco (SFO) 3
UA 552 Non-stop Boeing 737-800 (738) 5:48 Valid until 2026-01-03
Mon-Fri,Sun 17:06 Pittsburgh (PIT) 19:54 San Francisco (SFO) 3
UA 552 Non-stop Boeing 737 MAX 8 (7M8) 5:48 Valid until 2026-01-05
Sat 17:25 Minneapolis/Saint Paul (MSP) 1 19:56 San Francisco (SFO) 3
UA 552 Non-stop Boeing 737-800 (738) 4:31 Effective 2026-03-07 through 2026-03-28
Mon,Wed-Fri,Sun 17:34 Minneapolis/Saint Paul (MSP) 1 20:05 San Francisco (SFO) 3
UA 552 Non-stop Boeing 737-800 (738) 4:31 Effective 2026-03-05 through 2026-03-27
Tue 17:34 Minneapolis/Saint Paul (MSP) 1 20:05 San Francisco (SFO) 3
UA 552 Non-stop Boeing 737 MAX 9 (7M9) 4:31 Effective 2026-03-10 through 2026-03-24
Daily 17:34 Minneapolis/Saint Paul (MSP) 1 19:52 San Francisco (SFO) 3
UA 552 Non-stop Boeing 737-800 (738) 4:18 Effective 2026-03-29 through 2026-04-29
Daily 17:34 Minneapolis/Saint Paul (MSP) 1 19:54 San Francisco (SFO) 3
UA 552 Non-stop Airbus A320 (320) 4:20 Effective from 2026-05-21
Daily 17:37 Minneapolis/Saint Paul (MSP) 1 19:57 San Francisco (SFO) 3
UA 552 Non-stop Airbus A320 (320) 4:20 Effective 2026-04-30 through 2026-05-20
Daily 17:40 Minneapolis/Saint Paul (MSP) 1 20:10 San Francisco (SFO) 3
UA 552 Non-stop Boeing 737 MAX 8 (7M8) 4:30 Effective 2026-02-12 through 2026-03-04
Daily 21:16 San Francisco (SFO) 3 22:52 Ontario, Los Angeles (ONT) 2
UA 552 Non-stop Boeing 737 MAX 9 (7M9) 1:36 Effective 2026-04-30 through 2026-05-20
Tue-Fri,Sun 21:30 San Francisco (SFO) 3 22:53 Ontario, Los Angeles (ONT) 2
UA 552 Non-stop Boeing 737 MAX 9 (7M9) 1:23 Effective 2026-01-06 through 2026-02-10
Mon,Sat 21:30 San Francisco (SFO) 3 22:53 Ontario, Los Angeles (ONT) 2
UA 552 Non-stop Boeing 737 MAX 8 (7M8) 1:23 Effective 2026-01-10 through 2026-02-09
Mon,Wed-Fri,Sun 21:30 San Francisco (SFO) 3 22:57 Ontario, Los Angeles (ONT) 2
UA 552 Non-stop Boeing 737 MAX 8 (7M8) 1:27 Effective 2026-02-12 through 2026-03-04
Daily 21:30 San Francisco (SFO) 3 22:57 Ontario, Los Angeles (ONT) 2
UA 552 Non-stop Boeing 737 MAX 9 (7M9) 1:27 Effective 2026-03-05 through 2026-03-28
Daily 21:30 San Francisco (SFO) 3 23:06 Ontario, Los Angeles (ONT) 2
UA 552 Non-stop Boeing 737 MAX 9 (7M9) 1:36 Effective 2026-03-29 through 2026-04-29
Daily 21:30 San Francisco (SFO) 3 23:06 Ontario, Los Angeles (ONT) 2
UA 552 Non-stop Boeing 737 MAX 9 (7M9) 1:36 Effective from 2026-05-21
Wed 21:58 Newark Liberty, New York (EWR) C 23:21 Portland (PWM)
UA 552 Non-stop Boeing 737 MAX 9 (7M9) 1:23 Operates only on 2026-02-11
Mon-Thu,Sun 23:59 Ontario, Los Angeles (ONT) 2 06:02 Chicago O'Hare (ORD) 1
UA 552 Non-stop Boeing 737 MAX 8 (7M8) 4:03 Effective 2026-03-05 through 2026-03-12
The flight arrives 1 day after departure.
Fri 23:59 Ontario, Los Angeles (ONT) 2 06:02 Chicago O'Hare (ORD) 1
UA 552 Non-stop Boeing 737-700 (73G) 4:03 Effective 2026-03-06 through 2026-03-27
The flight arrives 1 day after departure.
Sat 23:59 Ontario, Los Angeles (ONT) 2 07:02 Chicago O'Hare (ORD) 1
UA 552 Non-stop Boeing 737 MAX 8 (7M8) 4:03 Operates only on 2026-03-07
The flight arrives 1 day after departure.
Mon-Thu,Sat,Sun 23:59 Ontario, Los Angeles (ONT) 2 06:02 Chicago O'Hare (ORD) 1
UA 552 Non-stop Boeing 737 MAX 8 (7M8) 4:03 Effective 2026-03-14 through 2026-03-28
The flight arrives 1 day after departure.
Non-Direct Flights:
Sat 17:25 Minneapolis/Saint Paul (MSP) 1 22:57 Ontario, Los Angeles (ONT) 2
UA 552 1-stop Boeing 737-800 (738) 7:32 Effective 2026-03-07 through 2026-03-28
Mon,Wed-Fri,Sun 17:34 Minneapolis/Saint Paul (MSP) 1 22:57 Ontario, Los Angeles (ONT) 2
UA 552 1-stop Boeing 737-800 (738) 7:23 Effective 2026-03-05 through 2026-03-27
Tue 17:34 Minneapolis/Saint Paul (MSP) 1 22:57 Ontario, Los Angeles (ONT) 2
UA 552 1-stop Boeing 737 MAX 9 (7M9) 7:23 Effective 2026-03-10 through 2026-03-24
Daily 17:34 Minneapolis/Saint Paul (MSP) 1 23:06 Ontario, Los Angeles (ONT) 2
UA 552 1-stop Boeing 737-800 (738) 7:32 Effective 2026-03-29 through 2026-04-29
Daily 17:34 Minneapolis/Saint Paul (MSP) 1 23:06 Ontario, Los Angeles (ONT) 2
UA 552 1-stop Airbus A320 (320) 7:32 Effective from 2026-05-21
Daily 17:37 Minneapolis/Saint Paul (MSP) 1 22:52 Ontario, Los Angeles (ONT) 2
UA 552 1-stop Airbus A320 (320) 7:15 Effective 2026-04-30 through 2026-05-20
Mon,Wed-Fri,Sun 17:40 Minneapolis/Saint Paul (MSP) 1 22:57 Ontario, Los Angeles (ONT) 2
UA 552 1-stop Boeing 737 MAX 8 (7M8) 7:17 Effective 2026-02-12 through 2026-03-04
Mon-Fri,Sun 21:30 San Francisco (SFO) 3 06:02 Chicago O'Hare (ORD) 1
UA 552 1-stop Boeing 737 MAX 9 (7M9) 6:32 Effective 2026-03-05 through 2026-03-13
The flight arrives 1 day after departure.
Sat 21:30 San Francisco (SFO) 3 07:02 Chicago O'Hare (ORD) 1
UA 552 1-stop Boeing 737 MAX 9 (7M9) 6:32 Operates only on 2026-03-07
The flight arrives 1 day after departure.
Daily 21:30 San Francisco (SFO) 3 06:02 Chicago O'Hare (ORD) 1
UA 552 1-stop Boeing 737 MAX 9 (7M9) 6:32 Effective 2026-03-14 through 2026-03-28
The flight arrives 1 day after departure.
Sat 17:25 Minneapolis/Saint Paul (MSP) 1 07:02 Chicago O'Hare (ORD) 1
UA 552 2-stop Boeing 737-800 (738) 12:37 Operates only on 2026-03-07
The flight arrives 1 day after departure.
Sat 17:25 Minneapolis/Saint Paul (MSP) 1 06:02 Chicago O'Hare (ORD) 1
UA 552 2-stop Boeing 737-800 (738) 12:37 Effective 2026-03-14 through 2026-03-28
The flight arrives 1 day after departure.
Mon,Wed-Fri,Sun 17:34 Minneapolis/Saint Paul (MSP) 1 06:02 Chicago O'Hare (ORD) 1
UA 552 2-stop Boeing 737-800 (738) 12:28 Effective 2026-03-05 through 2026-03-27
The flight arrives 1 day after departure.
Tue 17:34 Minneapolis/Saint Paul (MSP) 1 06:02 Chicago O'Hare (ORD) 1
UA 552 2-stop Boeing 737 MAX 9 (7M9) 12:28 Effective 2026-03-10 through 2026-03-24
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:


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United Airlines flight UA 552: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA552
17:06
Pittsburgh (PIT)

19:54
San Francisco (SFO) 3
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:48, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA552
17:06
Pittsburgh (PIT)

19:54
San Francisco (SFO) 3
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:48, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA552
17:25
Minneapolis/Saint Paul (MSP) 1

19:56
San Francisco (SFO) 3
Effective 2026-03-07 through 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:31, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA552
17:34
Minneapolis/Saint Paul (MSP) 1

20:05
San Francisco (SFO) 3
Effective 2026-03-05 through 2026-03-27
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:31, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA552
17:34
Minneapolis/Saint Paul (MSP) 1

20:05
San Francisco (SFO) 3
Effective 2026-03-10 through 2026-03-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:31, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA552
17:34
Minneapolis/Saint Paul (MSP) 1

19:52
San Francisco (SFO) 3
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:18, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA552
17:34
Minneapolis/Saint Paul (MSP) 1

19:54
San Francisco (SFO) 3
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:20, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA552
17:37
Minneapolis/Saint Paul (MSP) 1

19:57
San Francisco (SFO) 3
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:20, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA552
17:40
Minneapolis/Saint Paul (MSP) 1

20:10
San Francisco (SFO) 3
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA552
21:16
San Francisco (SFO) 3

22:52
Ontario, Los Angeles (ONT) 2
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:36, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA552
21:30
San Francisco (SFO) 3

22:53
Ontario, Los Angeles (ONT) 2
Effective 2026-01-06 through 2026-02-10
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:23, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA552
21:30
San Francisco (SFO) 3

22:53
Ontario, Los Angeles (ONT) 2
Effective 2026-01-10 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:23, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA552
21:30
San Francisco (SFO) 3

22:57
Ontario, Los Angeles (ONT) 2
Effective 2026-02-12 through 2026-03-04
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:27, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA552
21:30
San Francisco (SFO) 3

22:57
Ontario, Los Angeles (ONT) 2
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:27, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA552
21:30
San Francisco (SFO) 3

23:06
Ontario, Los Angeles (ONT) 2
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:36, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA552
21:30
San Francisco (SFO) 3

23:06
Ontario, Los Angeles (ONT) 2
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:36, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA552
21:58
Newark Liberty, New York (EWR) C

23:21
Portland (PWM)
Operates only on 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:23, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA552
23:59
Ontario, Los Angeles (ONT) 2

06:02(+1)
Chicago O'Hare (ORD) 1
Effective 2026-03-05 through 2026-03-12
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 4:03, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA552
23:59
Ontario, Los Angeles (ONT) 2

06:02(+1)
Chicago O'Hare (ORD) 1
Effective 2026-03-06 through 2026-03-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:03, non-stop
Boeing 737-700 (73G)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA552
23:59
Ontario, Los Angeles (ONT) 2

07:02(+1)
Chicago O'Hare (ORD) 1
Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:03, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA552
23:59
Ontario, Los Angeles (ONT) 2

06:02(+1)
Chicago O'Hare (ORD) 1
Effective 2026-03-14 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Duration: 4:03, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA552
17:25
Minneapolis/Saint Paul (MSP) 1

22:57
Ontario, Los Angeles (ONT) 2
Effective 2026-03-07 through 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 7:32, 1-stop
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA552
17:34
Minneapolis/Saint Paul (MSP) 1

22:57
Ontario, Los Angeles (ONT) 2
Effective 2026-03-05 through 2026-03-27
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 7:23, 1-stop
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA552
17:34
Minneapolis/Saint Paul (MSP) 1

22:57
Ontario, Los Angeles (ONT) 2
Effective 2026-03-10 through 2026-03-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 7:23, 1-stop
Boeing 737 MAX 9 (7M9)
Non-Direct Flights:
United Airlines UA552
17:34
Minneapolis/Saint Paul (MSP) 1

23:06
Ontario, Los Angeles (ONT) 2
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:32, 1-stop
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA552
17:34
Minneapolis/Saint Paul (MSP) 1

23:06
Ontario, Los Angeles (ONT) 2
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:32, 1-stop
Airbus A320 (320)
Non-Direct Flights:
United Airlines UA552
17:37
Minneapolis/Saint Paul (MSP) 1

22:52
Ontario, Los Angeles (ONT) 2
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:15, 1-stop
Airbus A320 (320)
Non-Direct Flights:
United Airlines UA552
17:40
Minneapolis/Saint Paul (MSP) 1

22:57
Ontario, Los Angeles (ONT) 2
Effective 2026-02-12 through 2026-03-04
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 7:17, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
United Airlines UA552
21:30
San Francisco (SFO) 3

06:02(+1)
Chicago O'Hare (ORD) 1
Effective 2026-03-05 through 2026-03-13
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 6:32, 1-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA552
21:30
San Francisco (SFO) 3

07:02(+1)
Chicago O'Hare (ORD) 1
Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:32, 1-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA552
21:30
San Francisco (SFO) 3

06:02(+1)
Chicago O'Hare (ORD) 1
Effective 2026-03-14 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:32, 1-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA552
17:25
Minneapolis/Saint Paul (MSP) 1

07:02(+1)
Chicago O'Hare (ORD) 1
Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 12:37, 2-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA552
17:25
Minneapolis/Saint Paul (MSP) 1

06:02(+1)
Chicago O'Hare (ORD) 1
Effective 2026-03-14 through 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 12:37, 2-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA552
17:34
Minneapolis/Saint Paul (MSP) 1

06:02(+1)
Chicago O'Hare (ORD) 1
Effective 2026-03-05 through 2026-03-27
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 12:28, 2-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA552
17:34
Minneapolis/Saint Paul (MSP) 1

06:02(+1)
Chicago O'Hare (ORD) 1
Effective 2026-03-10 through 2026-03-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 12:28, 2-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
  • Minneapolis/Saint Paul (MSP) - Chicago O'Hare (ORD)
  • Minneapolis/Saint Paul (MSP) - Ontario, Los Angeles (ONT)
  • Minneapolis/Saint Paul (MSP) - San Francisco (SFO)
  • Newark Liberty, New York (EWR) - Portland (PWM)
  • Ontario, Los Angeles (ONT) - Chicago O'Hare (ORD)
  • Pittsburgh (PIT) - San Francisco (SFO)
  • San Francisco (SFO) - Chicago O'Hare (ORD)
  • San Francisco (SFO) - Ontario, Los Angeles (ONT)
All United Airlines flights
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