United Airlines flight UA 231: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 08:10 Cleveland (CLE) 10:51 Tampa (TPA)
UA 231 Non-stop Boeing 737-800 (738) 2:41 Effective 2026-03-05 through 2026-03-28
Wed 13:00 Bozeman (BZN) 19:15 Newark Liberty, New York (EWR) C
UA 231 Non-stop Boeing 737 MAX 8 (7M8) 4:15 Operates only on 2026-02-04
Mon-Fri,Sun 13:09 Nashville (BNA) 16:25 Newark Liberty, New York (EWR) A
UA 231 Non-stop Boeing 737 MAX 8 (7M8) 2:16 Effective 2026-01-06 through 2026-02-03
Mon-Fri,Sun 13:09 Nashville (BNA) 16:25 Newark Liberty, New York (EWR) A
UA 231 Non-stop Boeing 737 MAX 8 (7M8) 2:16 Effective 2026-02-05 through 2026-02-11
Sat 13:30 Bozeman (BZN) 19:45 Newark Liberty, New York (EWR) A
UA 231 Non-stop Boeing 737 MAX 8 (7M8) 4:15 Effective 2026-01-10 through 2026-02-07
Daily 14:00 Glasgow (GLA) 16:35 Newark Liberty, New York (EWR) B
UA 231 Non-stop Boeing 737 MAX 8 (7M8) 7:35 Effective 2026-05-09 through 2026-09-07
Daily 14:00 Glasgow (GLA) 16:40 Newark Liberty, New York (EWR) B
UA 231 Non-stop Boeing 737 MAX 8 (7M8) 7:40 Effective 2026-09-08 through 2026-09-23
Daily 17:45 Denver (DEN) 22:24 Louisville (SDF)
UA 231 Non-stop Airbus A320 (320) 2:39 Valid until 2026-01-05
Mon,Wed-Fri,Sun 20:20 Newark Liberty, New York (EWR) C 23:57 San Francisco (SFO) 3
UA 231 Non-stop Boeing 757-200 (752) 6:37 Effective 2026-01-08 through 2026-01-16
Mon,Thu,Fri,Sun 20:20 Newark Liberty, New York (EWR) C 23:57 San Francisco (SFO) 3
UA 231 Non-stop Boeing 757-200 (752) 6:37 Effective 2026-01-19 through 2026-02-09
Mon-Fri,Sun 21:15 New York LaGuardia (LGA) B 23:00 Chicago O'Hare (ORD) 1
UA 231 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-02-12 through 2026-03-04
Non-Direct Flights:
Mon,Wed-Fri,Sun 13:09 Nashville (BNA) 23:57 San Francisco (SFO) 3
UA 231 1-stop Boeing 737 MAX 8 (7M8) 12:48 Effective 2026-01-08 through 2026-01-16
Mon,Thu,Fri,Sun 13:09 Nashville (BNA) 23:57 San Francisco (SFO) 3
UA 231 1-stop Boeing 737 MAX 8 (7M8) 12:48 Effective 2026-01-19 through 2026-02-09
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This flight number is listed as serving the following routes:


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United Airlines flight UA 231: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA231
08:10
Cleveland (CLE)

10:51
Tampa (TPA)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:41, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA231
13:00
Bozeman (BZN)

19:15
Newark Liberty, New York (EWR) C
Operates only on 2026-02-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA231
13:09
Nashville (BNA)

16:25
Newark Liberty, New York (EWR) A
Effective 2026-01-06 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:16, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA231
13:09
Nashville (BNA)

16:25
Newark Liberty, New York (EWR) A
Effective 2026-02-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:16, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA231
13:30
Bozeman (BZN)

19:45
Newark Liberty, New York (EWR) A
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA231
14:00
Glasgow (GLA)

16:35
Newark Liberty, New York (EWR) B
Effective 2026-05-09 through 2026-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:35, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA231
14:00
Glasgow (GLA)

16:40
Newark Liberty, New York (EWR) B
Effective 2026-09-08 through 2026-09-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA231
17:45
Denver (DEN)

22:24
Louisville (SDF)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:39, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA231
20:20
Newark Liberty, New York (EWR) C

23:57
San Francisco (SFO) 3
Effective 2026-01-08 through 2026-01-16
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 6:37, non-stop
Boeing 757-200 (752)
Direct Flights:
United Airlines UA231
20:20
Newark Liberty, New York (EWR) C

23:57
San Francisco (SFO) 3
Effective 2026-01-19 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 6:37, non-stop
Boeing 757-200 (752)
Direct Flights:
United Airlines UA231
21:15
New York LaGuardia (LGA) B

23:00
Chicago O'Hare (ORD) 1
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
United Airlines UA231
13:09
Nashville (BNA)

23:57
San Francisco (SFO) 3
Effective 2026-01-08 through 2026-01-16
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 12:48, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
United Airlines UA231
13:09
Nashville (BNA)

23:57
San Francisco (SFO) 3
Effective 2026-01-19 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 12:48, 1-stop
Boeing 737 MAX 8 (7M8)
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This flight number is listed as serving the following routes:
  • Bozeman (BZN) - Newark Liberty, New York (EWR)
  • Cleveland (CLE) - Tampa (TPA)
  • Denver (DEN) - Louisville (SDF)
  • Glasgow (GLA) - Newark Liberty, New York (EWR)
  • Nashville (BNA) - Newark Liberty, New York (EWR)
  • Nashville (BNA) - San Francisco (SFO)
  • New York LaGuardia (LGA) - Chicago O'Hare (ORD)
  • Newark Liberty, New York (EWR) - San Francisco (SFO)
All United Airlines flights
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