Allegiant Air flight G4 1637: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon 06:15 Las Vegas Harry Reid (LAS) 1 09:24 Billings (BIL)
G4 1637 Non-stop Airbus A319 (319) 2:09 Valid until 2026-01-05
Mon,Fri 17:58 Santa Ana (SNA) 19:52 Medford (MFR)
G4 1637 Non-stop Airbus A319 (319) 1:54 Effective 2026-07-03 through 2026-08-03
Sun 22:13 Santa Maria (SMX) 23:33 Las Vegas Harry Reid (LAS) 1
G4 1637 Non-stop Airbus A319 (319) 1:20 Effective 2026-04-05 through 2026-05-17
Thu 22:20 Santa Maria (SMX) 23:32 Las Vegas Harry Reid (LAS) 1
G4 1637 Non-stop Airbus A319 (319) 1:12 Operates only on 2026-02-26
Thu,Sun 22:20 Santa Maria (SMX) 23:38 Las Vegas Harry Reid (LAS) 1
G4 1637 Non-stop Airbus A319 (319) 1:18 Effective 2026-03-05 through 2026-03-29
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This flight number is listed as serving the following routes:


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Allegiant Air flight G4 1637: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Allegiant Air G41637
06:15
Las Vegas Harry Reid (LAS) 1

09:24
Billings (BIL)
Valid until 2026-01-05
Mon
Tue
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Wed
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Thu
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Fri
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Sat
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Sun
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Duration: 2:09, non-stop
Airbus A319 (319)
Direct Flights:
Allegiant Air G41637
17:58
Santa Ana (SNA)

19:52
Medford (MFR)
Effective 2026-07-03 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:54, non-stop
Airbus A319 (319)
Direct Flights:
Allegiant Air G41637
22:13
Santa Maria (SMX)

23:33
Las Vegas Harry Reid (LAS) 1
Effective 2026-04-05 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:20, non-stop
Airbus A319 (319)
Direct Flights:
Allegiant Air G41637
22:20
Santa Maria (SMX)

23:32
Las Vegas Harry Reid (LAS) 1
Operates only on 2026-02-26
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:12, non-stop
Airbus A319 (319)
Direct Flights:
Allegiant Air G41637
22:20
Santa Maria (SMX)

23:38
Las Vegas Harry Reid (LAS) 1
Effective 2026-03-05 through 2026-03-29
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 1:18, non-stop
Airbus A319 (319)
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This flight number is listed as serving the following routes:
  • Las Vegas Harry Reid (LAS) - Billings (BIL)
  • Santa Ana (SNA) - Medford (MFR)
  • Santa Maria (SMX) - Las Vegas Harry Reid (LAS)
All Allegiant Air flights
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