United Airlines flight UA 4239: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon-Fri 12:05 George Bush, Houston (IAH) B 13:31 McAllen/Mission (MFE)
UA 4239 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:26 Effective 2025-05-22 through 2025-05-30
Mon-Fri,Sun 12:05 George Bush, Houston (IAH) B 13:31 McAllen/Mission (MFE)
UA 4239 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:26 Effective 2025-06-01 through 2025-06-25
Daily 12:25 George Bush, Houston (IAH) B 14:08 Tulsa (TUL)
UA 4239 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:43 Valid until 2025-05-21
Daily 12:40 George Bush, Houston (IAH) B 14:17 Tulsa (TUL)
UA 4239 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:37 Effective from 2025-10-26
Fri 14:20 George Bush, Houston (IAH) B 16:04 Tulsa (TUL)
UA 4239 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:44 Operates only on 2025-07-04
Daily 14:43 George Bush, Houston (IAH) B 16:27 Tulsa (TUL)
UA 4239 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:44 Effective 2025-06-26 through 2025-07-03
Daily 14:43 George Bush, Houston (IAH) B 16:27 Tulsa (TUL)
UA 4239 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:44 Effective 2025-07-05 through 2025-08-18
Sat 14:50 John Glenn Columbus (CMH) 16:16 Dulles, Washington (IAD)
UA 4239 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:26 Effective 2025-05-24 through 2025-06-21
Daily 21:35 George Bush, Houston (IAH) B 22:39 Lafayette (LFT)
UA 4239 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:04 Effective 2025-08-19 through 2025-10-25
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This flight number is listed as serving the following routes:


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United Airlines flight UA 4239: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4239
12:05
George Bush, Houston (IAH) B

13:31
McAllen/Mission (MFE)
Effective 2025-05-22 through 2025-05-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:26, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4239
12:05
George Bush, Houston (IAH) B

13:31
McAllen/Mission (MFE)
Effective 2025-06-01 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 UA4239
12:25
George Bush, Houston (IAH) B

14:08
Tulsa (TUL)
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:43, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4239
12:40
George Bush, Houston (IAH) B

14:17
Tulsa (TUL)
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:37, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4239
14:20
George Bush, Houston (IAH) B

16:04
Tulsa (TUL)
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:44, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4239
14:43
George Bush, Houston (IAH) B

16:27
Tulsa (TUL)
Effective 2025-06-26 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:44, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4239
14:43
George Bush, Houston (IAH) B

16:27
Tulsa (TUL)
Effective 2025-07-05 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:44, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4239
14:50
John Glenn Columbus (CMH)

16:16
Dulles, Washington (IAD)
Effective 2025-05-24 through 2025-06-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:26, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4239
21:35
George Bush, Houston (IAH) B

22:39
Lafayette (LFT)
Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:04, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
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This flight number is listed as serving the following routes:
  • George Bush, Houston (IAH) - Lafayette (LFT)
  • George Bush, Houston (IAH) - McAllen/Mission (MFE)
  • George Bush, Houston (IAH) - Tulsa (TUL)
  • John Glenn Columbus (CMH) - Dulles, Washington (IAD)
All United Airlines flights
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