United Airlines flight UA 4321: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 07:35 George Bush, Houston (IAH) B 09:11 Tulsa (TUL)
UA 4321 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:36 Effective 2024-03-31 through 2024-05-22
Daily 08:00 George Bush, Houston (IAH) B 09:40 Tulsa (TUL)
UA 4321 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:40 Effective 2024-03-07 through 2024-03-30
Daily 08:46 Hobbs (HOB) 10:35 Denver (DEN)
UA 4321 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:49 Effective 2024-01-09 through 2024-02-14
Tue-Sun 11:52 Tulsa (TUL) 13:40 George Bush, Houston (IAH) B
UA 4321 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:48 Valid until 2024-01-07
Mon 11:52 Tulsa (TUL) 13:40 George Bush, Houston (IAH) B
UA 4321 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:48 Operates only on 2024-01-08
Daily 11:55 Tulsa (TUL) 13:35 George Bush, Houston (IAH) B
UA 4321 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:40 Effective 2024-09-26 through 2024-10-26
Sat,Sun 12:10 George Bush, Houston (IAH) B 13:52 Memphis (MEM)
UA 4321 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:42 Effective 2024-02-17 through 2024-03-03
This flight number is listed as serving the following routes:


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United Airlines flight UA 4321: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4321
07:35
George Bush, Houston (IAH) B

09:11
Tulsa (TUL)
Effective 2024-03-31 through 2024-05-22
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:36, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4321
08:00
George Bush, Houston (IAH) B

09:40
Tulsa (TUL)
Effective 2024-03-07 through 2024-03-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:40, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4321
08:46
Hobbs (HOB)

10:35
Denver (DEN)
Effective 2024-01-09 through 2024-02-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:49, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4321
11:52
Tulsa (TUL)

13:40
George Bush, Houston (IAH) B
Valid until 2024-01-07
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:48, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4321
11:52
Tulsa (TUL)

13:40
George Bush, Houston (IAH) B
Operates only on 2024-01-08
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:48, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4321
11:55
Tulsa (TUL)

13:35
George Bush, Houston (IAH) B
Effective 2024-09-26 through 2024-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:40, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4321
12:10
George Bush, Houston (IAH) B

13:52
Memphis (MEM)
Effective 2024-02-17 through 2024-03-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 1:42, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
This flight number is listed as serving the following routes:
  • George Bush, Houston (IAH) - Memphis (MEM)
  • George Bush, Houston (IAH) - Tulsa (TUL)
  • Hobbs (HOB) - Denver (DEN)
All United Airlines flights
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