United Airlines flight UA 4331: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Wed,Sat,Sun 08:25 Dulles, Washington (IAD) 09:46 Buffalo (BUF)
UA 4331 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:21 Effective 2025-08-02 through 2025-08-17
Daily 09:39 Lafayette (LFT) 10:54 George Bush, Houston (IAH) B
UA 4331 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:15 Effective from 2025-10-26
Daily 09:55 Lafayette (LFT) 11:13 George Bush, Houston (IAH) B
UA 4331 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:18 Effective 2025-08-19 through 2025-10-25
Daily 11:56 Fayetteville/Springdale (XNA) 13:47 George Bush, Houston (IAH) B
UA 4331 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:51 Effective 2025-05-22 through 2025-06-01
Mon-Fri,Sun 11:56 Fayetteville/Springdale (XNA) 13:47 George Bush, Houston (IAH) B
UA 4331 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:51 Effective 2025-06-04 through 2025-06-13
Daily 11:56 Fayetteville/Springdale (XNA) 13:47 George Bush, Houston (IAH) B
UA 4331 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:51 Effective 2025-06-14 through 2025-06-25
Sun 14:20 George Bush, Houston (IAH) B 16:05 Tulsa (TUL)
UA 4331 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:45 Effective 2025-05-04 through 2025-05-18
Wed,Sat,Sun 17:10 Dulles, Washington (IAD) 19:01 Charleston (CHS)
UA 4331 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:51 Effective 2025-06-28 through 2025-07-30
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
08:25
Dulles, Washington (IAD)

09:46
Buffalo (BUF)
Effective 2025-08-02 through 2025-08-17
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
Duration: 1:21, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4331
09:39
Lafayette (LFT)

10:54
George Bush, Houston (IAH) B
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:15, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4331
09:55
Lafayette (LFT)

11:13
George Bush, Houston (IAH) B
Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:18, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4331
11:56
Fayetteville/Springdale (XNA)

13:47
George Bush, Houston (IAH) B
Effective 2025-05-22 through 2025-06-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:51, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4331
11:56
Fayetteville/Springdale (XNA)

13:47
George Bush, Houston (IAH) B
Effective 2025-06-04 through 2025-06-13
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:51, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4331
11:56
Fayetteville/Springdale (XNA)

13:47
George Bush, Houston (IAH) B
Effective 2025-06-14 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:51, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4331
14:20
George Bush, Houston (IAH) B

16:05
Tulsa (TUL)
Effective 2025-05-04 through 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:45, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4331
17:10
Dulles, Washington (IAD)

19:01
Charleston (CHS)
Effective 2025-06-28 through 2025-07-30
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
Duration: 1:51, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
This flight number is listed as serving the following routes:
  • Dulles, Washington (IAD) - Buffalo (BUF)
  • Dulles, Washington (IAD) - Charleston (CHS)
  • Fayetteville/Springdale (XNA) - George Bush, Houston (IAH)
  • George Bush, Houston (IAH) - Tulsa (TUL)
  • Lafayette (LFT) - George Bush, Houston (IAH)
All United Airlines flights
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