Allegiant Air flight G4 639: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Tue 08:00 Phoenix-Mesa Gateway (AZA) 12:18 Grand Island (GRI)
G4 639 Non-stop Airbus A320 (320) 2:18 Operates only on 2026-07-07
Sun 12:04 Bismarck (BIS) 13:55 Phoenix-Mesa Gateway (AZA)
G4 639 Non-stop Airbus A320 (320) 2:51 Valid until 2026-01-04
Thu,Sun 12:31 Omaha (OMA) 13:19 Phoenix-Mesa Gateway (AZA)
G4 639 Non-stop Airbus A320 (320) 2:48 Effective 2026-04-02 through 2026-05-17
Thu,Sun 12:33 Omaha (OMA) 13:31 Phoenix-Mesa Gateway (AZA)
G4 639 Non-stop Airbus A320 (320) 2:58 Effective 2026-03-12 through 2026-03-29
Fri 13:29 Bismarck (BIS) 15:25 Phoenix-Mesa Gateway (AZA)
G4 639 Non-stop Airbus A320 (320) 2:56 Operates only on 2026-02-06
Thu,Sun 18:07 Phoenix-Mesa Gateway (AZA) 22:23 Grand Island (GRI)
G4 639 Non-stop Airbus A320 (320) 2:16 Effective 2026-05-21 through 2026-05-31
Thu,Sun 18:07 Phoenix-Mesa Gateway (AZA) 22:27 Grand Island (GRI)
G4 639 Non-stop Airbus A320 (320) 2:20 Effective 2026-07-02 through 2026-08-16
Thu,Sun 18:09 Phoenix-Mesa Gateway (AZA) 22:25 Grand Island (GRI)
G4 639 Non-stop Airbus A320 (320) 2:16 Effective 2026-06-04 through 2026-06-28
Mon,Fri 18:50 Bismarck (BIS) 20:46 Phoenix-Mesa Gateway (AZA)
G4 639 Non-stop Airbus A320 (320) 2:56 Effective 2026-01-09 through 2026-02-02
Mon 18:50 Bismarck (BIS) 20:46 Phoenix-Mesa Gateway (AZA)
G4 639 Non-stop Airbus A320 (320) 2:56 Operates only on 2026-02-09
Mon,Fri 19:21 Bismarck (BIS) 21:12 Phoenix-Mesa Gateway (AZA)
G4 639 Non-stop Airbus A320 (320) 2:51 Valid until 2026-01-05
Wed 19:22 Bismarck (BIS) 21:18 Phoenix-Mesa Gateway (AZA)
G4 639 Non-stop Airbus A320 (320) 2:56 Effective 2026-01-07 through 2026-02-04
Tue 19:30 Omaha (OMA) 20:28 Phoenix-Mesa Gateway (AZA)
G4 639 Non-stop Airbus A320 (320) 2:58 Operates only on 2026-03-17
Thu,Sun 20:58 Bismarck (BIS) 22:54 Phoenix-Mesa Gateway (AZA)
G4 639 Non-stop Airbus A320 (320) 2:56 Effective 2026-01-08 through 2026-02-08
This flight number is listed as serving the following routes:


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Allegiant Air flight G4 639: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Allegiant Air G4639
08:00
Phoenix-Mesa Gateway (AZA)

12:18
Grand Island (GRI)
Operates only on 2026-07-07
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:18, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4639
12:04
Bismarck (BIS)

13:55
Phoenix-Mesa Gateway (AZA)
Valid until 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:51, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4639
12:31
Omaha (OMA)

13:19
Phoenix-Mesa Gateway (AZA)
Effective 2026-04-02 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 2:48, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4639
12:33
Omaha (OMA)

13:31
Phoenix-Mesa Gateway (AZA)
Effective 2026-03-12 through 2026-03-29
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 2:58, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4639
13:29
Bismarck (BIS)

15:25
Phoenix-Mesa Gateway (AZA)
Operates only on 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:56, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4639
18:07
Phoenix-Mesa Gateway (AZA)

22:23
Grand Island (GRI)
Effective 2026-05-21 through 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 2:16, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4639
18:07
Phoenix-Mesa Gateway (AZA)

22:27
Grand Island (GRI)
Effective 2026-07-02 through 2026-08-16
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4639
18:09
Phoenix-Mesa Gateway (AZA)

22:25
Grand Island (GRI)
Effective 2026-06-04 through 2026-06-28
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 2:16, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4639
18:50
Bismarck (BIS)

20:46
Phoenix-Mesa Gateway (AZA)
Effective 2026-01-09 through 2026-02-02
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:56, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4639
18:50
Bismarck (BIS)

20:46
Phoenix-Mesa Gateway (AZA)
Operates only on 2026-02-09
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:56, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4639
19:21
Bismarck (BIS)

21:12
Phoenix-Mesa Gateway (AZA)
Valid until 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:51, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4639
19:22
Bismarck (BIS)

21:18
Phoenix-Mesa Gateway (AZA)
Effective 2026-01-07 through 2026-02-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:56, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4639
19:30
Omaha (OMA)

20:28
Phoenix-Mesa Gateway (AZA)
Operates only on 2026-03-17
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:58, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4639
20:58
Bismarck (BIS)

22:54
Phoenix-Mesa Gateway (AZA)
Effective 2026-01-08 through 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 2:56, non-stop
Airbus A320 (320)
This flight number is listed as serving the following routes:
  • Bismarck (BIS) - Phoenix-Mesa Gateway (AZA)
  • Omaha (OMA) - Phoenix-Mesa Gateway (AZA)
  • Phoenix-Mesa Gateway (AZA) - Grand Island (GRI)
All Allegiant Air flights
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