Allegiant Air flight G4 2120: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sun 09:14 Lexington (LEX) 11:33 Fort Lauderdale (FLL) 1
G4 2120 Non-stop Boeing 737 MAX 8 (7M8) 2:19 Operates only on 2026-04-05
Sat 09:30 Knoxville (TYS) 11:33 Fort Lauderdale (FLL) 1
G4 2120 Non-stop Boeing 737 MAX 8 (7M8) 2:03 Operates only on 2026-03-14
Wed 10:56 Knoxville (TYS) 12:32 Orlando Sanford (SFB)
G4 2120 Non-stop Boeing 737 MAX 8 (7M8) 1:36 Operates only on 2026-02-25
Sat 11:20 Lexington (LEX) 13:41 Fort Lauderdale (FLL) 1
G4 2120 Non-stop Boeing 737 MAX 8 (7M8) 2:21 Operates only on 2026-08-08
Sat 11:46 Fort Lauderdale (FLL) 1 14:14 Lexington (LEX)
G4 2120 Non-stop Boeing 737 MAX 8 (7M8) 2:28 Valid until 2026-01-03
Thu 15:05 Fort Lauderdale (FLL) 1 18:23 Plattsburgh (PBG)
G4 2120 Non-stop Boeing 737 MAX 8 (7M8) 3:18 Effective 2026-05-21 through 2026-05-28
Sat 15:25 Fort Lauderdale (FLL) 1 18:40 Grand Rapids (GRR)
G4 2120 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Operates only on 2026-03-21
Thu 16:56 Fort Lauderdale (FLL) 1 18:59 Knoxville (TYS)
G4 2120 Non-stop Boeing 737 MAX 8 (7M8) 2:03 Valid until 2026-01-01
Sun 17:24 Knoxville (TYS) 19:27 Fort Lauderdale (FLL) 1
G4 2120 Non-stop Airbus A320 (320) 2:03 Operates only on 2026-03-22
Sat 17:30 Fort Lauderdale (FLL) 1 20:14 Cincinnati (CVG)
G4 2120 Non-stop Boeing 737 MAX 8 (7M8) 2:44 Operates only on 2026-03-28
Thu 18:18 Fayetteville/Springdale (XNA) 22:02 Fort Lauderdale (FLL) 1
G4 2120 Non-stop Boeing 737 MAX 8 (7M8) 2:44 Operates only on 2026-03-26
Wed 18:41 Indianapolis (IND) 21:20 Fort Lauderdale (FLL) 1
G4 2120 Non-stop Boeing 737 MAX 8 (7M8) 2:39 Effective 2026-03-11 through 2026-03-18
This flight number is listed as serving the following routes:


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Allegiant Air flight G4 2120: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Allegiant Air G42120
09:14
Lexington (LEX)

11:33
Fort Lauderdale (FLL) 1
Operates only on 2026-04-05
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: 2:19, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Allegiant Air G42120
09:30
Knoxville (TYS)

11:33
Fort Lauderdale (FLL) 1
Operates only on 2026-03-14
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: 2:03, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Allegiant Air G42120
10:56
Knoxville (TYS)

12:32
Orlando Sanford (SFB)
Operates only on 2026-02-25
Mon
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Tue
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Wed
Thu
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Fri
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Sat
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Sun
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Duration: 1:36, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Allegiant Air G42120
11:20
Lexington (LEX)

13:41
Fort Lauderdale (FLL) 1
Operates only on 2026-08-08
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: 2:21, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Allegiant Air G42120
11:46
Fort Lauderdale (FLL) 1

14:14
Lexington (LEX)
Valid until 2026-01-03
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: 2:28, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Allegiant Air G42120
15:05
Fort Lauderdale (FLL) 1

18:23
Plattsburgh (PBG)
Effective 2026-05-21 through 2026-05-28
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: 3:18, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Allegiant Air G42120
15:25
Fort Lauderdale (FLL) 1

18:40
Grand Rapids (GRR)
Operates only on 2026-03-21
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: 3:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Allegiant Air G42120
16:56
Fort Lauderdale (FLL) 1

18:59
Knoxville (TYS)
Valid until 2026-01-01
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: 2:03, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Allegiant Air G42120
17:24
Knoxville (TYS)

19:27
Fort Lauderdale (FLL) 1
Operates only on 2026-03-22
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: 2:03, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G42120
17:30
Fort Lauderdale (FLL) 1

20:14
Cincinnati (CVG)
Operates only on 2026-03-28
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: 2:44, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Allegiant Air G42120
18:18
Fayetteville/Springdale (XNA)

22:02
Fort Lauderdale (FLL) 1
Operates only on 2026-03-26
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: 2:44, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Allegiant Air G42120
18:41
Indianapolis (IND)

21:20
Fort Lauderdale (FLL) 1
Effective 2026-03-11 through 2026-03-18
Mon
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Tue
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Wed
Thu
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Fri
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Sat
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Sun
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Duration: 2:39, non-stop
Boeing 737 MAX 8 (7M8)
This flight number is listed as serving the following routes:
  • Fayetteville/Springdale (XNA) - Fort Lauderdale (FLL)
  • Fort Lauderdale (FLL) - Cincinnati (CVG)
  • Fort Lauderdale (FLL) - Grand Rapids (GRR)
  • Fort Lauderdale (FLL) - Lexington (LEX)
  • Fort Lauderdale (FLL) - Plattsburgh (PBG)
  • Indianapolis (IND) - Fort Lauderdale (FLL)
  • Knoxville (TYS) - Fort Lauderdale (FLL)
  • Knoxville (TYS) - Orlando Sanford (SFB)
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