Allegiant Air flight G4 2158: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Fri 09:00 Knoxville (TYS) 10:59 Fort Lauderdale (FLL) 1
G4 2158 Non-stop Boeing 737 MAX 8 (7M8) 1:59 Operates only on 2026-04-03
Thu 15:07 Fort Lauderdale (FLL) 1 18:28 Plattsburgh (PBG)
G4 2158 Non-stop Boeing 737 MAX 8 (7M8) 3:21 Effective 2026-08-06 through 2026-08-13
Sat 17:27 Lexington (LEX) 19:47 Fort Lauderdale (FLL) 1
G4 2158 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-07-04 through 2026-07-11
Sun 18:44 Fort Lauderdale (FLL) 1 20:50 Knoxville (TYS)
G4 2158 Non-stop Boeing 737 MAX 8 (7M8) 2:06 Effective 2026-05-10 through 2026-05-17
This flight number is listed as serving the following routes:


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Allegiant Air flight G4 2158: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Allegiant Air G42158
09:00
Knoxville (TYS)

10:59
Fort Lauderdale (FLL) 1
Operates only on 2026-04-03
Mon
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Tue
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Wed
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Thu
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Fri
Sat
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Sun
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Duration: 1:59, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Allegiant Air G42158
15:07
Fort Lauderdale (FLL) 1

18:28
Plattsburgh (PBG)
Effective 2026-08-06 through 2026-08-13
Mon
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Tue
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Wed
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Thu
Fri
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Sat
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Sun
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Duration: 3:21, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Allegiant Air G42158
17:27
Lexington (LEX)

19:47
Fort Lauderdale (FLL) 1
Effective 2026-07-04 through 2026-07-11
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Allegiant Air G42158
18:44
Fort Lauderdale (FLL) 1

20:50
Knoxville (TYS)
Effective 2026-05-10 through 2026-05-17
Mon
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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
Duration: 2:06, non-stop
Boeing 737 MAX 8 (7M8)
This flight number is listed as serving the following routes:
  • Fort Lauderdale (FLL) - Plattsburgh (PBG)
  • Knoxville (TYS) - Fort Lauderdale (FLL)
  • Lexington (LEX) - Fort Lauderdale (FLL)
All Allegiant Air flights
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