United Airlines flight UA 277: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Thu 06:00 Ontario, Los Angeles (ONT) 2 07:27 San Francisco (SFO) 3
UA 277 Non-stop Airbus A320 (320) 1:27 Operates only on 2025-05-01
Tue-Sat 06:00 Ontario, Los Angeles (ONT) 2 07:27 San Francisco (SFO) 3
UA 277 Non-stop Boeing 737 MAX 8 (7M8) 1:27 Effective 2025-05-02 through 2025-05-10
Sun 06:00 Ontario, Los Angeles (ONT) 2 07:27 San Francisco (SFO) 3
UA 277 Non-stop Boeing 737 MAX 9 (7M9) 1:27 Effective 2025-05-04 through 2025-05-18
Mon 06:00 Ontario, Los Angeles (ONT) 2 07:27 San Francisco (SFO) 3
UA 277 Non-stop Boeing 737 MAX 9 (7M9) 1:27 Operates only on 2025-05-05
Mon-Sat 06:00 Ontario, Los Angeles (ONT) 2 07:27 San Francisco (SFO) 3
UA 277 Non-stop Boeing 737 MAX 8 (7M8) 1:27 Effective 2025-05-12 through 2025-05-21
Thu 06:00 Ontario, Los Angeles (ONT) 2 07:27 San Francisco (SFO) 3
UA 277 Non-stop Boeing 737-800 (738) 1:27 Operates only on 2025-05-22
Daily 06:00 Ontario, Los Angeles (ONT) 2 07:27 San Francisco (SFO) 3
UA 277 Non-stop Airbus A320 (320) 1:27 Effective 2025-05-23 through 2025-06-06
Sat 06:00 Ontario, Los Angeles (ONT) 2 07:27 San Francisco (SFO) 3
UA 277 Non-stop Boeing 737 MAX 8 (7M8) 1:27 Effective 2025-06-07 through 2025-06-21
Mon-Fri,Sun 06:00 Ontario, Los Angeles (ONT) 2 07:27 San Francisco (SFO) 3
UA 277 Non-stop Airbus A320 (320) 1:27 Effective 2025-06-08 through 2025-06-27
Mon,Tue,Thu-Sun 06:00 Ontario, Los Angeles (ONT) 2 07:27 San Francisco (SFO) 3
UA 277 Non-stop Airbus A320 (320) 1:27 Effective 2025-06-28 through 2025-07-04
Wed 06:00 Ontario, Los Angeles (ONT) 2 07:27 San Francisco (SFO) 3
UA 277 Non-stop Boeing 737-800 (738) 1:27 Effective 2025-07-02 through 2025-08-13
Sat 06:00 Ontario, Los Angeles (ONT) 2 07:27 San Francisco (SFO) 3
UA 277 Non-stop Airbus A319 (319) 1:27 Operates only on 2025-07-05
Mon,Tue,Thu-Sun 06:00 Ontario, Los Angeles (ONT) 2 07:27 San Francisco (SFO) 3
UA 277 Non-stop Airbus A320 (320) 1:27 Effective 2025-07-06 through 2025-08-18
Daily 06:00 Ontario, Los Angeles (ONT) 2 07:19 San Francisco (SFO) 3
UA 277 Non-stop Airbus A319 (319) 1:19 Effective 2025-08-19 through 2025-09-24
Daily 06:00 Ontario, Los Angeles (ONT) 2 07:41 San Francisco (SFO) 3
UA 277 Non-stop Airbus A320 (320) 1:41 Effective from 2025-10-26
Wed 08:40 San Francisco (SFO) 3 16:25 Detroit (DTW) E
UA 277 Non-stop Boeing 737-900 (739) 4:45 Operates only on 2025-05-14
Wed-Fri,Sun 08:50 San Francisco (SFO) 3 16:37 Detroit (DTW) E
UA 277 Non-stop Airbus A320 (320) 4:47 Valid until 2025-05-11
Mon,Tue,Sat 08:50 San Francisco (SFO) 3 16:37 Detroit (DTW) E
UA 277 Non-stop Airbus A319 (319) 4:47 Effective 2025-05-03 through 2025-05-20
Wed-Fri,Sun 08:50 San Francisco (SFO) 3 16:37 Detroit (DTW) E
UA 277 Non-stop Airbus A320 (320) 4:47 Effective 2025-05-15 through 2025-05-21
Mon-Thu,Sun 10:35 San Francisco (SFO) 3 12:22 Portland (PDX)
UA 277 Non-stop Boeing 737 MAX 8 (7M8) 1:47 Effective 2025-06-01 through 2025-06-25
Fri 10:35 San Francisco (SFO) 3 12:22 Portland (PDX)
UA 277 Non-stop Airbus A319 (319) 1:47 Effective 2025-06-06 through 2025-06-20
Sat 10:35 San Francisco (SFO) 3 12:22 Portland (PDX)
UA 277 Non-stop Airbus A319 (319) 1:47 Operates only on 2025-06-07
Thu 10:43 San Francisco (SFO) 3 12:33 Portland (PDX)
UA 277 Non-stop Airbus A319 (319) 1:50 Operates only on 2025-05-22
Fri,Sat 10:43 San Francisco (SFO) 3 12:33 Portland (PDX)
UA 277 Non-stop Airbus A319 (319) 1:50 Effective 2025-05-23 through 2025-05-31
Mon-Thu,Sun 10:43 San Francisco (SFO) 3 12:33 Portland (PDX)
UA 277 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2025-05-25 through 2025-05-29
Mon-Fri,Sun 10:50 San Francisco (SFO) 3 12:32 Portland (PDX)
UA 277 Non-stop Boeing 737-800 (738) 1:42 Effective 2025-06-26 through 2025-08-18
Daily 15:50 Austin (AUS) 18:45 Chicago O'Hare (ORD) 1
UA 277 Non-stop Airbus A320 (320) 2:55 Effective 2025-09-25 through 2025-10-25
Non-Direct Flights:
Thu 06:00 Ontario, Los Angeles (ONT) 2 16:37 Detroit (DTW) E
UA 277 1-stop Airbus A320 (320) 7:37 Operates only on 2025-05-01
Tue-Sat 06:00 Ontario, Los Angeles (ONT) 2 16:37 Detroit (DTW) E
UA 277 1-stop Boeing 737 MAX 8 (7M8) 7:37 Effective 2025-05-02 through 2025-05-10
Sun 06:00 Ontario, Los Angeles (ONT) 2 16:37 Detroit (DTW) E
UA 277 1-stop Boeing 737 MAX 9 (7M9) 7:37 Effective 2025-05-04 through 2025-05-18
Mon 06:00 Ontario, Los Angeles (ONT) 2 16:37 Detroit (DTW) E
UA 277 1-stop Boeing 737 MAX 9 (7M9) 7:37 Operates only on 2025-05-05
Mon,Tue,Thu-Sat 06:00 Ontario, Los Angeles (ONT) 2 16:37 Detroit (DTW) E
UA 277 1-stop Boeing 737 MAX 8 (7M8) 7:37 Effective 2025-05-12 through 2025-05-20
Wed 06:00 Ontario, Los Angeles (ONT) 2 16:25 Detroit (DTW) E
UA 277 1-stop Boeing 737 MAX 8 (7M8) 7:25 Operates only on 2025-05-14
Wed 06:00 Ontario, Los Angeles (ONT) 2 16:37 Detroit (DTW) E
UA 277 1-stop Boeing 737 MAX 8 (7M8) 7:37 Operates only on 2025-05-21
Thu 06:00 Ontario, Los Angeles (ONT) 2 12:33 Portland (PDX)
UA 277 1-stop Boeing 737-800 (738) 6:33 Operates only on 2025-05-22
Daily 06:00 Ontario, Los Angeles (ONT) 2 12:33 Portland (PDX)
UA 277 1-stop Airbus A320 (320) 6:33 Effective 2025-05-23 through 2025-05-31
Mon-Fri,Sun 06:00 Ontario, Los Angeles (ONT) 2 12:22 Portland (PDX)
UA 277 1-stop Airbus A320 (320) 6:22 Effective 2025-06-01 through 2025-06-25
Sat 06:00 Ontario, Los Angeles (ONT) 2 12:22 Portland (PDX)
UA 277 1-stop Boeing 737 MAX 8 (7M8) 6:22 Operates only on 2025-06-07
Mon,Tue,Thu,Fri,Sun 06:00 Ontario, Los Angeles (ONT) 2 12:32 Portland (PDX)
UA 277 1-stop Airbus A320 (320) 6:32 Effective 2025-06-26 through 2025-08-18
Wed 06:00 Ontario, Los Angeles (ONT) 2 12:32 Portland (PDX)
UA 277 1-stop Boeing 737-800 (738) 6:32 Effective 2025-07-02 through 2025-08-13
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This flight number is listed as serving the following routes:


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United Airlines flight UA 277: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA277
06:00
Ontario, Los Angeles (ONT) 2

07:27
San Francisco (SFO) 3
Operates only on 2025-05-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:27, non-stop
Airbus A320 (320)
United Airlines UA277
06:00
Ontario, Los Angeles (ONT) 2

07:27
San Francisco (SFO) 3
Effective 2025-05-02 through 2025-05-10
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 1:27, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA277
06:00
Ontario, Los Angeles (ONT) 2

07:27
San Francisco (SFO) 3
Effective 2025-05-04 through 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:27, non-stop
Boeing 737 MAX 9 (7M9)
United Airlines UA277
06:00
Ontario, Los Angeles (ONT) 2

07:27
San Francisco (SFO) 3
Operates only on 2025-05-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:27, non-stop
Boeing 737 MAX 9 (7M9)
United Airlines UA277
06:00
Ontario, Los Angeles (ONT) 2

07:27
San Francisco (SFO) 3
Effective 2025-05-12 through 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 1:27, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA277
06:00
Ontario, Los Angeles (ONT) 2

07:27
San Francisco (SFO) 3
Operates only on 2025-05-22
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:27, non-stop
Boeing 737-800 (738)
United Airlines UA277
06:00
Ontario, Los Angeles (ONT) 2

07:27
San Francisco (SFO) 3
Effective 2025-05-23 through 2025-06-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:27, non-stop
Airbus A320 (320)
United Airlines UA277
06:00
Ontario, Los Angeles (ONT) 2

07:27
San Francisco (SFO) 3
Effective 2025-06-07 through 2025-06-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:27, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA277
06:00
Ontario, Los Angeles (ONT) 2

07:27
San Francisco (SFO) 3
Effective 2025-06-08 through 2025-06-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:27, non-stop
Airbus A320 (320)
United Airlines UA277
06:00
Ontario, Los Angeles (ONT) 2

07:27
San Francisco (SFO) 3
Effective 2025-06-28 through 2025-07-04
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Duration: 1:27, non-stop
Airbus A320 (320)
United Airlines UA277
06:00
Ontario, Los Angeles (ONT) 2

07:27
San Francisco (SFO) 3
Effective 2025-07-02 through 2025-08-13
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:27, non-stop
Boeing 737-800 (738)
United Airlines UA277
06:00
Ontario, Los Angeles (ONT) 2

07:27
San Francisco (SFO) 3
Operates only on 2025-07-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:27, non-stop
Airbus A319 (319)
United Airlines UA277
06:00
Ontario, Los Angeles (ONT) 2

07:27
San Francisco (SFO) 3
Effective 2025-07-06 through 2025-08-18
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Duration: 1:27, non-stop
Airbus A320 (320)
United Airlines UA277
06:00
Ontario, Los Angeles (ONT) 2

07:19
San Francisco (SFO) 3
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:19, non-stop
Airbus A319 (319)
United Airlines UA277
06:00
Ontario, Los Angeles (ONT) 2

07:41
San Francisco (SFO) 3
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:41, non-stop
Airbus A320 (320)
United Airlines UA277
08:40
San Francisco (SFO) 3

16:25
Detroit (DTW) E
Operates only on 2025-05-14
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:45, non-stop
Boeing 737-900 (739)
United Airlines UA277
08:50
San Francisco (SFO) 3

16:37
Detroit (DTW) E
Valid until 2025-05-11
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:47, non-stop
Airbus A320 (320)
United Airlines UA277
08:50
San Francisco (SFO) 3

16:37
Detroit (DTW) E
Effective 2025-05-03 through 2025-05-20
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:47, non-stop
Airbus A319 (319)
United Airlines UA277
08:50
San Francisco (SFO) 3

16:37
Detroit (DTW) E
Effective 2025-05-15 through 2025-05-21
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:47, non-stop
Airbus A320 (320)
United Airlines UA277
10:35
San Francisco (SFO) 3

12:22
Portland (PDX)
Effective 2025-06-01 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 1:47, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA277
10:35
San Francisco (SFO) 3

12:22
Portland (PDX)
Effective 2025-06-06 through 2025-06-20
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:47, non-stop
Airbus A319 (319)
United Airlines UA277
10:35
San Francisco (SFO) 3

12:22
Portland (PDX)
Operates only on 2025-06-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:47, non-stop
Airbus A319 (319)
United Airlines UA277
10:43
San Francisco (SFO) 3

12:33
Portland (PDX)
Operates only on 2025-05-22
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:50, non-stop
Airbus A319 (319)
United Airlines UA277
10:43
San Francisco (SFO) 3

12:33
Portland (PDX)
Effective 2025-05-23 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 1:50, non-stop
Airbus A319 (319)
United Airlines UA277
10:43
San Francisco (SFO) 3

12:33
Portland (PDX)
Effective 2025-05-25 through 2025-05-29
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA277
10:50
San Francisco (SFO) 3

12:32
Portland (PDX)
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:42, non-stop
Boeing 737-800 (738)
United Airlines UA277
15:50
Austin (AUS)

18:45
Chicago O'Hare (ORD) 1
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:55, non-stop
Airbus A320 (320)
Non-Direct Flights:
United Airlines UA277
06:00
Ontario, Los Angeles (ONT) 2

16:37
Detroit (DTW) E
Operates only on 2025-05-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 7:37, 1-stop
Airbus A320 (320)
United Airlines UA277
06:00
Ontario, Los Angeles (ONT) 2

16:37
Detroit (DTW) E
Effective 2025-05-02 through 2025-05-10
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 7:37, 1-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA277
06:00
Ontario, Los Angeles (ONT) 2

16:37
Detroit (DTW) E
Effective 2025-05-04 through 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 7:37, 1-stop
Boeing 737 MAX 9 (7M9)
United Airlines UA277
06:00
Ontario, Los Angeles (ONT) 2

16:37
Detroit (DTW) E
Operates only on 2025-05-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 7:37, 1-stop
Boeing 737 MAX 9 (7M9)
United Airlines UA277
06:00
Ontario, Los Angeles (ONT) 2

16:37
Detroit (DTW) E
Effective 2025-05-12 through 2025-05-20
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 7:37, 1-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA277
06:00
Ontario, Los Angeles (ONT) 2

16:25
Detroit (DTW) E
Operates only on 2025-05-14
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 7:25, 1-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA277
06:00
Ontario, Los Angeles (ONT) 2

16:37
Detroit (DTW) E
Operates only on 2025-05-21
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 7:37, 1-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA277
06:00
Ontario, Los Angeles (ONT) 2

12:33
Portland (PDX)
Operates only on 2025-05-22
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 6:33, 1-stop
Boeing 737-800 (738)
United Airlines UA277
06:00
Ontario, Los Angeles (ONT) 2

12:33
Portland (PDX)
Effective 2025-05-23 through 2025-05-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:33, 1-stop
Airbus A320 (320)
United Airlines UA277
06:00
Ontario, Los Angeles (ONT) 2

12:22
Portland (PDX)
Effective 2025-06-01 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 6:22, 1-stop
Airbus A320 (320)
United Airlines UA277
06:00
Ontario, Los Angeles (ONT) 2

12:22
Portland (PDX)
Operates only on 2025-06-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:22, 1-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA277
06:00
Ontario, Los Angeles (ONT) 2

12:32
Portland (PDX)
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 6:32, 1-stop
Airbus A320 (320)
United Airlines UA277
06:00
Ontario, Los Angeles (ONT) 2

12:32
Portland (PDX)
Effective 2025-07-02 through 2025-08-13
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:32, 1-stop
Boeing 737-800 (738)
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Parallax here -
This flight number is listed as serving the following routes:
  • Austin (AUS) - Chicago O'Hare (ORD)
  • Ontario, Los Angeles (ONT) - Detroit (DTW)
  • Ontario, Los Angeles (ONT) - Portland (PDX)
  • Ontario, Los Angeles (ONT) - San Francisco (SFO)
  • San Francisco (SFO) - Detroit (DTW)
  • San Francisco (SFO) - Portland (PDX)
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