United Airlines flight UA 4231: Houston George Bush - Birmingham via Springfield

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FLIGHT SCHEDULE
Direct Flights:
Daily 07:30 Houston George Bush (IAH) B 09:20 Birmingham (BHM)
UA 4231 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:50 Effective from 2026-04-30
Daily 08:00 Houston George Bush (IAH) B 09:53 Birmingham (BHM)
UA 4231 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:53 Effective 2026-02-12 through 2026-03-04
Daily 08:05 Houston George Bush (IAH) B 09:58 Birmingham (BHM)
UA 4231 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:53 Effective 2026-03-05 through 2026-03-28
Daily 08:30 Houston George Bush (IAH) B 10:20 Birmingham (BHM)
UA 4231 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:50 Effective 2026-03-29 through 2026-04-29
Daily 08:35 Houston George Bush (IAH) B 10:27 Birmingham (BHM)
UA 4231 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:52 Effective 2026-01-06 through 2026-02-03
Daily 08:35 Houston George Bush (IAH) B 10:27 Birmingham (BHM)
UA 4231 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:52 Effective 2026-02-05 through 2026-02-11
Daily 15:00 Springfield (SGF) 17:12 Houston George Bush (IAH) B
UA 4231 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 2:12 Valid until 2026-01-05
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United Airlines flight UA 4231:
Houston George Bush - Birmingham via Springfield
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4231
07:30
Houston George Bush (IAH) B

09:20
Birmingham (BHM)
Effective from 2026-04-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:50, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4231
08:00
Houston George Bush (IAH) B

09:53
Birmingham (BHM)
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:53, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4231
08:05
Houston George Bush (IAH) B

09:58
Birmingham (BHM)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:53, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4231
08:30
Houston George Bush (IAH) B

10:20
Birmingham (BHM)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:50, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4231
08:35
Houston George Bush (IAH) B

10:27
Birmingham (BHM)
Effective 2026-01-06 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:52, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4231
08:35
Houston George Bush (IAH) B

10:27
Birmingham (BHM)
Effective 2026-02-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:52, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4231
15:00
Springfield (SGF)

17:12
Houston George Bush (IAH) B
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:12, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
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  • UA 4231 is a domestic flight departing from the Houston George Bush airport (IAH) and arriving at Birmingham airport (BHM).
  • The flight runs via Springfield (SGF).
  • The flight distance is 561 miles, or 902 km.
  • The timezone of both the departure and the arrival airports is UTC-6 . Current time at both airports is (loading...).
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