United Airlines flight UA 4331: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 09:39 Lafayette (LFT) 10:54 Houston George Bush (IAH) B
UA 4331 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:15 Effective from 2026-05-21
Daily 09:40 Lafayette (LFT) 10:58 Houston George Bush (IAH) B
UA 4331 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:18 Valid until 2026-01-05
Daily 09:40 Lafayette (LFT) 11:01 Houston George Bush (IAH) B
UA 4331 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:21 Effective 2026-04-30 through 2026-05-20
Mon,Wed-Fri,Sun 11:45 Tulsa (TUL) 13:35 Houston George Bush (IAH) B
UA 4331 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:50 Effective 2026-02-12 through 2026-03-04
Daily 11:45 Tulsa (TUL) 13:34 Houston George Bush (IAH) B
UA 4331 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:49 Effective 2026-03-05 through 2026-03-28
Daily 11:45 Tulsa (TUL) 13:33 Houston George Bush (IAH) B
UA 4331 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:48 Effective 2026-03-29 through 2026-04-29
Daily 11:50 Tulsa (TUL) 13:40 Houston George Bush (IAH) B
UA 4331 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:50 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 4331: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4331
09:39
Lafayette (LFT)

10:54
Houston George Bush (IAH) B
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:15, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4331
09:40
Lafayette (LFT)

10:58
Houston George Bush (IAH) B
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:18, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4331
09:40
Lafayette (LFT)

11:01
Houston George Bush (IAH) B
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:21, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4331
11:45
Tulsa (TUL)

13:35
Houston George Bush (IAH) B
Effective 2026-02-12 through 2026-03-04
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:50, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4331
11:45
Tulsa (TUL)

13:34
Houston George Bush (IAH) B
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:49, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4331
11:45
Tulsa (TUL)

13:33
Houston George Bush (IAH) B
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:48, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4331
11:50
Tulsa (TUL)

13:40
Houston George Bush (IAH) B
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:50, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
This flight number is listed as serving the following routes:
  • Lafayette (LFT) - Houston George Bush (IAH)
  • Tulsa (TUL) - Houston George Bush (IAH)
All United Airlines flights
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