United Airlines flight UA 4237: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon-Sat 10:00 George Bush, Houston (IAH) B 11:26 McAllen/Mission (MFE)
UA 4237 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:26 Effective 2025-05-22 through 2025-05-31
Daily 10:00 George Bush, Houston (IAH) B 11:26 McAllen/Mission (MFE)
UA 4237 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:26 Effective 2025-06-01 through 2025-06-13
Daily 10:00 George Bush, Houston (IAH) B 11:26 McAllen/Mission (MFE)
UA 4237 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:26 Effective 2025-06-15 through 2025-06-25
Daily 15:00 Little Rock (LIT) 16:44 George Bush, Houston (IAH) B
UA 4237 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:44 Effective from 2025-10-26
Daily 15:20 Little Rock (LIT) 17:02 George Bush, Houston (IAH) B
UA 4237 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:42 Effective 2025-08-19 through 2025-10-25
Mon,Thu,Fri,Sun 18:59 Tulsa (TUL) 20:48 George Bush, Houston (IAH) B
UA 4237 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:49 Effective 2025-06-26 through 2025-07-03
Mon,Thu,Fri,Sun 18:59 Tulsa (TUL) 20:48 George Bush, Houston (IAH) B
UA 4237 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:49 Effective 2025-07-06 through 2025-08-18
Mon,Thu,Fri,Sun 22:39 Dulles, Washington (IAD) 23:30 Charlottesville (CHO)
UA 4237 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 0:51 Valid until 2025-05-19
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This flight number is listed as serving the following routes:


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United Airlines flight UA 4237: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4237
10:00
George Bush, Houston (IAH) B

11:26
McAllen/Mission (MFE)
Effective 2025-05-22 through 2025-05-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 1:26, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4237
10:00
George Bush, Houston (IAH) B

11:26
McAllen/Mission (MFE)
Effective 2025-06-01 through 2025-06-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:26, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4237
10:00
George Bush, Houston (IAH) B

11:26
McAllen/Mission (MFE)
Effective 2025-06-15 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:26, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4237
15:00
Little Rock (LIT)

16:44
George Bush, Houston (IAH) B
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:44, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4237
15:20
Little Rock (LIT)

17:02
George Bush, Houston (IAH) B
Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:42, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4237
18:59
Tulsa (TUL)

20:48
George Bush, Houston (IAH) B
Effective 2025-06-26 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:49, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4237
18:59
Tulsa (TUL)

20:48
George Bush, Houston (IAH) B
Effective 2025-07-06 through 2025-08-18
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:49, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4237
22:39
Dulles, Washington (IAD)

23:30
Charlottesville (CHO)
Valid until 2025-05-19
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 0:51, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
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This flight number is listed as serving the following routes:
  • Dulles, Washington (IAD) - Charlottesville (CHO)
  • George Bush, Houston (IAH) - McAllen/Mission (MFE)
  • Little Rock (LIT) - George Bush, Houston (IAH)
  • Tulsa (TUL) - George Bush, Houston (IAH)
All United Airlines flights
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