Allegiant Air flight G4 1398: Multiple routes

FLIGHT SCHEDULE
Direct Flights:
Thu 07:30 Knoxville (TYS) 09:50 Boston Logan (BOS) G4 1398 Non-stop Airbus A320 (320) 2:20 Effective 2026-07-02 through 2026-08-13
Sun 08:00 Knoxville (TYS) 09:16 Phoenix Sky Harbor (PHX) G4 1398 Non-stop Airbus A320 (320) 4:16 Effective 2026-03-22 through 2026-03-29
Thu,Sun 08:00 Knoxville (TYS) 09:06 Phoenix Sky Harbor (PHX) G4 1398 Non-stop Airbus A320 (320) 4:06 Effective 2026-04-02 through 2026-05-17
Sun 08:30 Knoxville (TYS) 11:04 Phoenix Sky Harbor (PHX) G4 1398 Non-stop Airbus A320 (320) 4:34 Operates only on 2026-03-01
Tue,Sun 09:00 Boston Logan (BOS) 11:31 Knoxville (TYS) G4 1398 Non-stop Airbus A320 (320) 2:31 Valid until 2026-01-04
Sat 09:53 Boston Logan (BOS) 12:16 Knoxville (TYS) G4 1398 Non-stop Airbus A320 (320) 2:23 Effective 2026-06-06 through 2026-06-13
Mon,Fri 10:00 Las Vegas Harry Reid (LAS) 1 16:50 Knoxville (TYS) G4 1398 Non-stop Airbus A320 (320) 3:50 Effective 2026-01-09 through 2026-02-09
Sat 10:00 Orlando Sanford (SFB) 11:40 Knoxville (TYS) G4 1398 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2026-01-10 through 2026-02-07
Sun 10:00 Knoxville (TYS) 12:26 Phoenix Sky Harbor (PHX) G4 1398 Non-stop Airbus A320 (320) 4:26 Effective 2026-01-11 through 2026-02-08
Wed 12:18 Las Vegas Harry Reid (LAS) 1 19:03 Knoxville (TYS) G4 1398 Non-stop Airbus A320 (320) 3:45 Effective 2026-03-04 through 2026-03-18
Thu 12:45 Boston Logan (BOS) 15:16 Knoxville (TYS) G4 1398 Non-stop Airbus A320 (320) 2:31 Valid until 2026-01-01
Sat 12:54 Knoxville (TYS) 14:38 St. Pete-Clearwater, Tampa (PIE) G4 1398 Non-stop Airbus A320 (320) 1:44 Effective 2026-07-04 through 2026-08-15
Thu,Sun 13:01 Knoxville (TYS) 14:35 Orlando Sanford (SFB) G4 1398 Non-stop Airbus A320 (320) 1:34 Effective 2026-05-24 through 2026-06-28
Thu 15:46 Knoxville (TYS) 17:20 Orlando Sanford (SFB) G4 1398 Non-stop Boeing 737 MAX 8 (7M8) 1:34 Operates only on 2026-05-21
Mon 15:54 Las Vegas Harry Reid (LAS) 1 22:39 Knoxville (TYS) G4 1398 Non-stop Airbus A320 (320) 3:45 Effective 2026-03-09 through 2026-03-30
Mon 15:54 Las Vegas Harry Reid (LAS) 1 22:41 Knoxville (TYS) G4 1398 Non-stop Airbus A320 (320) 3:47 Operates only on 2026-04-06
Fri 16:04 Las Vegas Harry Reid (LAS) 1 22:51 Knoxville (TYS) G4 1398 Non-stop Airbus A320 (320) 3:47 Effective 2026-04-10 through 2026-05-15
Sat 17:48 Knoxville (TYS) 19:23 Orlando Sanford (SFB) G4 1398 Non-stop Airbus A320 (320) 1:35 Operates only on 2026-03-14
Fri 17:49 Knoxville (TYS) 19:42 Punta Gorda (PGD) G4 1398 Non-stop Airbus A320 (320) 1:53 Operates only on 2026-03-06
Mon 19:15 Knoxville (TYS) 20:59 St. Pete-Clearwater, Tampa (PIE) G4 1398 Non-stop Airbus A320 (320) 1:44 Effective 2026-08-10 through 2026-08-17
Fri 20:10 Houston Hobby (HOU) 23:11 Knoxville (TYS) G4 1398 Non-stop Airbus A320 (320) 2:01 Valid until 2026-01-02

This flight number is listed as serving the following routes:

Houston Hobby (HOU) - Knoxville (TYS)
Knoxville (TYS) - Boston Logan (BOS)
Knoxville (TYS) - Orlando Sanford (SFB)
Knoxville (TYS) - Phoenix Sky Harbor (PHX)
Knoxville (TYS) - Punta Gorda (PGD)
Knoxville (TYS) - St. Pete-Clearwater, Tampa (PIE)
Las Vegas Harry Reid (LAS) - Knoxville (TYS)

All Allegiant Air flights

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Allegiant Air flight G4 1398: Multiple routes

FLIGHT SCHEDULE

Direct Flights:

Allegiant Air G41398

07:30

Knoxville (TYS)

09:50

Boston Logan (BOS)

Effective 2026-07-02 through 2026-08-13

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:20, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41398

08:00

Knoxville (TYS)

09:16

Phoenix Sky Harbor (PHX)

Effective 2026-03-22 through 2026-03-29

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:16, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41398

08:00

Knoxville (TYS)

09:06

Phoenix Sky Harbor (PHX)

Effective 2026-04-02 through 2026-05-17

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 4:06, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41398

08:30

Knoxville (TYS)

11:04

Phoenix Sky Harbor (PHX)

Operates only on 2026-03-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:34, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41398

09:00

Boston Logan (BOS)

11:31

Knoxville (TYS)

Valid until 2026-01-04

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:31, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41398

09:53

Boston Logan (BOS)

12:16

Knoxville (TYS)

Effective 2026-06-06 through 2026-06-13

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:23, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41398

10:00

Las Vegas Harry Reid (LAS) 1

16:50

Knoxville (TYS)

Effective 2026-01-09 through 2026-02-09

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:50, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41398

10:00

Orlando Sanford (SFB)

11:40

Knoxville (TYS)

Effective 2026-01-10 through 2026-02-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Allegiant Air G41398

10:00

Knoxville (TYS)

12:26

Phoenix Sky Harbor (PHX)

Effective 2026-01-11 through 2026-02-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:26, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41398

12:18

Las Vegas Harry Reid (LAS) 1

19:03

Knoxville (TYS)

Effective 2026-03-04 through 2026-03-18

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:45, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41398

12:45

Boston Logan (BOS)

15:16

Knoxville (TYS)

Valid until 2026-01-01

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:31, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41398

12:54

Knoxville (TYS)

14:38

St. Pete-Clearwater, Tampa (PIE)

Effective 2026-07-04 through 2026-08-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:44, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41398

13:01

Knoxville (TYS)

14:35

Orlando Sanford (SFB)

Effective 2026-05-24 through 2026-06-28

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 1:34, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41398

15:46

Knoxville (TYS)

17:20

Orlando Sanford (SFB)

Operates only on 2026-05-21

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:34, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Allegiant Air G41398

15:54

Las Vegas Harry Reid (LAS) 1

22:39

Knoxville (TYS)

Effective 2026-03-09 through 2026-03-30

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:45, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41398

15:54

Las Vegas Harry Reid (LAS) 1

22:41

Knoxville (TYS)

Operates only on 2026-04-06

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:47, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41398

16:04

Las Vegas Harry Reid (LAS) 1

22:51

Knoxville (TYS)

Effective 2026-04-10 through 2026-05-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:47, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41398

17:48

Knoxville (TYS)

19:23

Orlando Sanford (SFB)

Operates only on 2026-03-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:35, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41398

17:49

Knoxville (TYS)

19:42

Punta Gorda (PGD)

Operates only on 2026-03-06

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 1:53, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41398

19:15

Knoxville (TYS)

20:59

St. Pete-Clearwater, Tampa (PIE)

Effective 2026-08-10 through 2026-08-17

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:44, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41398

20:10

Houston Hobby (HOU)

23:11

Knoxville (TYS)

Valid until 2026-01-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:01, non-stop
Airbus A320 (320)

This flight number is listed as serving the following routes:

Houston Hobby (HOU) - Knoxville (TYS)
Knoxville (TYS) - Boston Logan (BOS)
Knoxville (TYS) - Orlando Sanford (SFB)
Knoxville (TYS) - Phoenix Sky Harbor (PHX)
Knoxville (TYS) - Punta Gorda (PGD)
Knoxville (TYS) - St. Pete-Clearwater, Tampa (PIE)
Las Vegas Harry Reid (LAS) - Knoxville (TYS)

All Allegiant Air flights

Feedback - Disclaimer - Privacy