Allegiant Air flight G4 3021: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 06:00 Knoxville (TYS) 07:34 Orlando Sanford (SFB)
G4 3021 Non-stop Airbus A320 (320) 1:34 Effective 2026-05-23 through 2026-06-27
Sat 08:00 Knoxville (TYS) 09:35 Orlando Sanford (SFB)
G4 3021 Non-stop Airbus A320 (320) 1:35 Effective 2026-03-14 through 2026-03-21
Mon,Fri 10:19 Las Vegas Harry Reid (LAS) 1 17:02 Knoxville (TYS)
G4 3021 Non-stop Airbus A320 (320) 3:43 Valid until 2026-01-05
Wed 11:34 St. Pete-Clearwater, Tampa (PIE) 13:15 Knoxville (TYS)
G4 3021 Non-stop Airbus A320 (320) 1:41 Operates only on 2026-02-25
Sun 12:59 Knoxville (TYS) 14:34 Orlando Sanford (SFB)
G4 3021 Non-stop Airbus A320 (320) 1:35 Effective 2026-07-05 through 2026-08-02
Thu 13:00 Phoenix Sky Harbor (PHX) 19:28 Knoxville (TYS)
G4 3021 Non-stop Airbus A320 (320) 3:28 Operates only on 2026-03-12
Sun 13:33 Knoxville (TYS) 15:08 Orlando Sanford (SFB)
G4 3021 Non-stop Airbus A320 (320) 1:35 Effective 2026-08-09 through 2026-08-16
Sun 15:29 St. Pete-Clearwater, Tampa (PIE) 17:10 Knoxville (TYS)
G4 3021 Non-stop Airbus A320 (320) 1:41 Operates only on 2026-02-15
Sun 20:02 Jacksonville (JAX) 21:21 Knoxville (TYS)
G4 3021 Non-stop Airbus A320 (320) 1:19 Operates only on 2026-02-22
Mon 20:08 St. Pete-Clearwater, Tampa (PIE) 21:48 Knoxville (TYS)
G4 3021 Non-stop Airbus A320 (320) 1:40 Effective 2026-04-06 through 2026-05-18
Mon 21:50 St. Pete-Clearwater, Tampa (PIE) 23:32 Knoxville (TYS)
G4 3021 Non-stop Airbus A320 (320) 1:42 Operates only on 2026-03-09
Mon 21:50 St. Pete-Clearwater, Tampa (PIE) 23:32 Knoxville (TYS)
G4 3021 Non-stop Airbus A320 (320) 1:42 Effective 2026-03-23 through 2026-03-30
This flight number is listed as serving the following routes:


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Allegiant Air flight G4 3021: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Allegiant Air G43021
06:00
Knoxville (TYS)

07:34
Orlando Sanford (SFB)
Effective 2026-05-23 through 2026-06-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:34, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G43021
08:00
Knoxville (TYS)

09:35
Orlando Sanford (SFB)
Effective 2026-03-14 through 2026-03-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:35, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G43021
10:19
Las Vegas Harry Reid (LAS) 1

17:02
Knoxville (TYS)
Valid until 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:43, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G43021
11:34
St. Pete-Clearwater, Tampa (PIE)

13:15
Knoxville (TYS)
Operates only on 2026-02-25
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:41, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G43021
12:59
Knoxville (TYS)

14:34
Orlando Sanford (SFB)
Effective 2026-07-05 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G43021
13:00
Phoenix Sky Harbor (PHX)

19:28
Knoxville (TYS)
Operates only on 2026-03-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:28, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G43021
13:33
Knoxville (TYS)

15:08
Orlando Sanford (SFB)
Effective 2026-08-09 through 2026-08-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G43021
15:29
St. Pete-Clearwater, Tampa (PIE)

17:10
Knoxville (TYS)
Operates only on 2026-02-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:41, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G43021
20:02
Jacksonville (JAX)

21:21
Knoxville (TYS)
Operates only on 2026-02-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:19, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G43021
20:08
St. Pete-Clearwater, Tampa (PIE)

21:48
Knoxville (TYS)
Effective 2026-04-06 through 2026-05-18
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:40, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G43021
21:50
St. Pete-Clearwater, Tampa (PIE)

23:32
Knoxville (TYS)
Operates only on 2026-03-09
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:42, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G43021
21:50
St. Pete-Clearwater, Tampa (PIE)

23:32
Knoxville (TYS)
Effective 2026-03-23 through 2026-03-30
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:42, non-stop
Airbus A320 (320)
This flight number is listed as serving the following routes:
  • Jacksonville (JAX) - Knoxville (TYS)
  • Knoxville (TYS) - Orlando Sanford (SFB)
  • Las Vegas Harry Reid (LAS) - Knoxville (TYS)
  • Phoenix Sky Harbor (PHX) - Knoxville (TYS)
  • St. Pete-Clearwater, Tampa (PIE) - Knoxville (TYS)
All Allegiant Air flights
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