Allegiant Air flight G4 1421: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sat 09:00 Knoxville (TYS) 10:40 Saint Pete-Clearwater, Tampa (PIE)
G4 1421 Non-stop Airbus A320 (320) 1:40 Operates only on 2025-05-24
Sat 09:20 Knoxville (TYS) 11:00 Saint Pete-Clearwater, Tampa (PIE)
G4 1421 Non-stop Airbus A320 (320) 1:40 Operates only on 2025-05-31
Fri 10:55 Orlando Sanford (SFB) 12:30 Knoxville (TYS)
G4 1421 Non-stop Airbus A320 (320) 1:35 Effective 2025-09-05 through 2025-09-26
Mon 10:59 Knoxville (TYS) 12:18 Minneapolis/Saint Paul (MSP)
G4 1421 Non-stop Airbus A320 (320) 2:19 Effective 2025-06-09 through 2025-06-30
Thu 13:18 Knoxville (TYS) 14:36 Jacksonville (JAX)
G4 1421 Non-stop Airbus A320 (320) 1:18 Effective 2025-10-02 through 2025-10-23
Thu 13:54 Harrisburg (MDT) 15:53 Jacksonville (JAX)
G4 1421 Non-stop Airbus A320 (320) 1:59 Operates only on 2025-10-30
Sat 15:01 Knoxville (TYS) 16:36 Orlando Sanford (SFB)
G4 1421 Non-stop Airbus A320 (320) 1:35 Effective 2025-08-23 through 2025-08-30
Mon 18:25 Orlando Sanford (SFB) 20:00 Knoxville (TYS)
G4 1421 Non-stop Airbus A320 (320) 1:35 Effective 2025-10-27 through 2025-11-03
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This flight number is listed as serving the following routes:


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Allegiant Air flight G4 1421: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Allegiant Air G41421
09:00
Knoxville (TYS)

10:40
Saint Pete-Clearwater, Tampa (PIE)
Operates only on 2025-05-24
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: 1:40, non-stop
Airbus A320 (320)
Allegiant Air G41421
09:20
Knoxville (TYS)

11:00
Saint Pete-Clearwater, Tampa (PIE)
Operates only on 2025-05-31
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: 1:40, non-stop
Airbus A320 (320)
Allegiant Air G41421
10:55
Orlando Sanford (SFB)

12:30
Knoxville (TYS)
Effective 2025-09-05 through 2025-09-26
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: 1:35, non-stop
Airbus A320 (320)
Allegiant Air G41421
10:59
Knoxville (TYS)

12:18
Minneapolis/Saint Paul (MSP)
Effective 2025-06-09 through 2025-06-30
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: 2:19, non-stop
Airbus A320 (320)
Allegiant Air G41421
13:18
Knoxville (TYS)

14:36
Jacksonville (JAX)
Effective 2025-10-02 through 2025-10-23
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: 1:18, non-stop
Airbus A320 (320)
Allegiant Air G41421
13:54
Harrisburg (MDT)

15:53
Jacksonville (JAX)
Operates only on 2025-10-30
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: 1:59, non-stop
Airbus A320 (320)
Allegiant Air G41421
15:01
Knoxville (TYS)

16:36
Orlando Sanford (SFB)
Effective 2025-08-23 through 2025-08-30
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: 1:35, non-stop
Airbus A320 (320)
Allegiant Air G41421
18:25
Orlando Sanford (SFB)

20:00
Knoxville (TYS)
Effective 2025-10-27 through 2025-11-03
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: 1:35, non-stop
Airbus A320 (320)
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This flight number is listed as serving the following routes:
  • Harrisburg (MDT) - Jacksonville (JAX)
  • Knoxville (TYS) - Jacksonville (JAX)
  • Knoxville (TYS) - Minneapolis/Saint Paul (MSP)
  • Knoxville (TYS) - Orlando Sanford (SFB)
  • Knoxville (TYS) - Saint Pete-Clearwater, Tampa (PIE)
All Allegiant Air flights
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