United Airlines flight UA 4233: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 06:30 Birmingham (BHM) 08:42 Houston George Bush (IAH) B
UA 4233 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 2:12 Effective 2026-03-29 through 2026-04-29
Daily 07:35 Corpus Christi (CRP) 08:48 Houston George Bush (IAH) B
UA 4233 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:13 Effective 2026-03-05 through 2026-03-28
Daily 08:30 Birmingham (BHM) 10:41 Houston George Bush (IAH) B
UA 4233 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 2:11 Effective from 2026-05-21
Daily 09:45 Corpus Christi (CRP) 10:56 Houston George Bush (IAH) B
UA 4233 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:11 Valid until 2026-01-05
Daily 17:35 Washington Dulles (IAD) 18:40 Harrisburg (MDT)
UA 4233 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:05 Effective 2026-02-12 through 2026-03-04
Daily 22:10 Washington Dulles (IAD) 23:29 Huntsville (HSV)
UA 4233 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 2:19 Effective 2026-01-06 through 2026-02-11
This flight number is listed as serving the following routes:


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United Airlines flight UA 4233: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4233
06:30
Birmingham (BHM)

08:42
Houston George Bush (IAH) B
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:12, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4233
07:35
Corpus Christi (CRP)

08:48
Houston George Bush (IAH) B
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:13, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4233
08:30
Birmingham (BHM)

10:41
Houston George Bush (IAH) B
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:11, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4233
09:45
Corpus Christi (CRP)

10:56
Houston George Bush (IAH) B
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:11, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4233
17:35
Washington Dulles (IAD)

18:40
Harrisburg (MDT)
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:05, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4233
22:10
Washington Dulles (IAD)

23:29
Huntsville (HSV)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:19, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
This flight number is listed as serving the following routes:
  • Birmingham (BHM) - Houston George Bush (IAH)
  • Corpus Christi (CRP) - Houston George Bush (IAH)
  • Washington Dulles (IAD) - Harrisburg (MDT)
  • Washington Dulles (IAD) - Huntsville (HSV)
All United Airlines flights
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