Allegiant Air flight G4 251: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Fri 06:00 Asheville/Hendersonville (AVL) 07:37 Denver (DEN)
G4 251 Non-stop Airbus A320 (320) 3:37 Effective 2026-02-13 through 2026-02-23
Mon,Fri 06:00 Asheville/Hendersonville (AVL) 07:35 Denver (DEN)
G4 251 Non-stop Airbus A320 (320) 3:35 Effective 2026-02-27 through 2026-03-02
Mon,Fri 06:00 Asheville/Hendersonville (AVL) 07:31 Denver (DEN)
G4 251 Non-stop Airbus A320 (320) 3:31 Effective 2026-03-06 through 2026-03-13
Mon,Fri 06:00 Asheville/Hendersonville (AVL) 07:31 Denver (DEN)
G4 251 Non-stop Airbus A320 (320) 3:31 Effective 2026-03-20 through 2026-03-30
Mon,Fri 06:00 Asheville/Hendersonville (AVL) 07:30 Denver (DEN)
G4 251 Non-stop Airbus A320 (320) 3:30 Effective 2026-04-03 through 2026-04-06
Mon 06:05 Asheville/Hendersonville (AVL) 07:36 Denver (DEN)
G4 251 Non-stop Airbus A320 (320) 3:31 Operates only on 2026-03-16
Mon,Fri 08:30 Asheville/Hendersonville (AVL) 10:00 Denver (DEN)
G4 251 Non-stop Airbus A320 (320) 3:30 Effective 2026-04-10 through 2026-05-18
Mon,Fri 15:52 Austin (AUS) 20:13 Washington Dulles (IAD)
G4 251 Non-stop Airbus A320 (320) 3:21 Effective 2026-07-03 through 2026-08-03
Fri 15:57 Austin (AUS) 20:12 Washington Dulles (IAD)
G4 251 Non-stop Airbus A320 (320) 3:15 Effective 2026-06-05 through 2026-06-26
Mon 16:15 Austin (AUS) 20:36 Washington Dulles (IAD)
G4 251 Non-stop Airbus A320 (320) 3:21 Operates only on 2026-08-10
Mon,Fri 16:38 Austin (AUS) 20:46 Washington Dulles (IAD)
G4 251 Non-stop Airbus A320 (320) 3:08 Effective 2026-05-22 through 2026-06-01
This flight number is listed as serving the following routes:


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Allegiant Air flight G4 251: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Allegiant Air G4251
06:00
Asheville/Hendersonville (AVL)

07:37
Denver (DEN)
Effective 2026-02-13 through 2026-02-23
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:37, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4251
06:00
Asheville/Hendersonville (AVL)

07:35
Denver (DEN)
Effective 2026-02-27 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:35, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4251
06:00
Asheville/Hendersonville (AVL)

07:31
Denver (DEN)
Effective 2026-03-06 through 2026-03-13
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:31, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4251
06:00
Asheville/Hendersonville (AVL)

07:31
Denver (DEN)
Effective 2026-03-20 through 2026-03-30
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:31, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4251
06:00
Asheville/Hendersonville (AVL)

07:30
Denver (DEN)
Effective 2026-04-03 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:30, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4251
06:05
Asheville/Hendersonville (AVL)

07:36
Denver (DEN)
Operates only on 2026-03-16
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:31, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4251
08:30
Asheville/Hendersonville (AVL)

10:00
Denver (DEN)
Effective 2026-04-10 through 2026-05-18
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:30, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4251
15:52
Austin (AUS)

20:13
Washington Dulles (IAD)
Effective 2026-07-03 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:21, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4251
15:57
Austin (AUS)

20:12
Washington Dulles (IAD)
Effective 2026-06-05 through 2026-06-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:15, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4251
16:15
Austin (AUS)

20:36
Washington Dulles (IAD)
Operates only on 2026-08-10
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:21, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4251
16:38
Austin (AUS)

20:46
Washington Dulles (IAD)
Effective 2026-05-22 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:08, non-stop
Airbus A320 (320)
This flight number is listed as serving the following routes:
  • Asheville/Hendersonville (AVL) - Denver (DEN)
  • Austin (AUS) - Washington Dulles (IAD)
All Allegiant Air flights
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