Allegiant Air flight G4 537: Multiple routes

FLIGHT SCHEDULE
Direct Flights:
Thu 06:40 Phoenix-Mesa Gateway (AZA) 13:06 Grand Rapids (GRR) G4 537 Non-stop Airbus A320 (320) 3:26 Operates only on 2026-03-19
Sat 07:00 Grand Rapids (GRR) 09:55 Punta Gorda (PGD) G4 537 Non-stop Airbus A320 (320) 2:55 Effective 2026-03-07 through 2026-03-28
Sat 07:00 Grand Rapids (GRR) 09:51 Punta Gorda (PGD) G4 537 Non-stop Airbus A320 (320) 2:51 Effective 2026-04-04 through 2026-05-16
Sat 09:00 Grand Rapids (GRR) 11:49 St. Pete-Clearwater, Tampa (PIE) G4 537 Non-stop Airbus A320 (320) 2:49 Operates only on 2026-02-28
Tue 09:00 Grand Rapids (GRR) 11:51 Punta Gorda (PGD) G4 537 Non-stop Airbus A320 (320) 2:51 Operates only on 2026-04-07
Fri 09:25 Grand Rapids (GRR) 12:08 St. Pete-Clearwater, Tampa (PIE) G4 537 Non-stop Airbus A320 (320) 2:43 Operates only on 2026-03-27
Thu 09:32 Phoenix-Mesa Gateway (AZA) 15:58 Grand Rapids (GRR) G4 537 Non-stop Airbus A320 (320) 3:26 Operates only on 2026-03-12
Thu 09:32 Phoenix-Mesa Gateway (AZA) 15:58 Grand Rapids (GRR) G4 537 Non-stop Airbus A320 (320) 3:26 Operates only on 2026-03-26
Sat 10:00 Grand Rapids (GRR) 12:21 Phoenix-Mesa Gateway (AZA) G4 537 Non-stop Airbus A320 (320) 4:21 Effective 2026-01-10 through 2026-02-07
Wed 10:00 Grand Rapids (GRR) 12:51 Punta Gorda (PGD) G4 537 Non-stop Airbus A320 (320) 2:51 Effective 2026-04-15 through 2026-05-13
Sat 11:19 Santa Ana (SNA) 18:24 Grand Rapids (GRR) G4 537 Non-stop Airbus A320 (320) 4:05 Effective 2026-05-23 through 2026-06-13
Wed 12:18 Santa Ana (SNA) 19:25 Grand Rapids (GRR) G4 537 Non-stop Airbus A320 (320) 4:07 Effective 2026-05-20 through 2026-05-27
Wed 12:18 Santa Ana (SNA) 19:25 Grand Rapids (GRR) G4 537 Non-stop Airbus A320 (320) 4:07 Effective 2026-08-05 through 2026-08-12
Wed 12:19 Santa Ana (SNA) 19:24 Grand Rapids (GRR) G4 537 Non-stop Airbus A320 (320) 4:05 Effective 2026-06-03 through 2026-07-29
Sat 13:19 Santa Ana (SNA) 20:24 Grand Rapids (GRR) G4 537 Non-stop Airbus A320 (320) 4:05 Effective 2026-08-08 through 2026-08-15
Mon 13:22 Grand Rapids (GRR) 15:25 Phoenix-Mesa Gateway (AZA) G4 537 Non-stop Airbus A320 (320) 4:03 Valid until 2026-01-05
Sun 13:22 Grand Rapids (GRR) 14:54 Las Vegas Harry Reid (LAS) 1 G4 537 Non-stop Airbus A320 (320) 4:32 Operates only on 2026-03-01
Mon 13:28 Grand Rapids (GRR) 14:21 Phoenix-Mesa Gateway (AZA) G4 537 Non-stop Airbus A320 (320) 3:53 Operates only on 2026-06-15
Thu 14:59 Grand Rapids (GRR) 17:02 Phoenix-Mesa Gateway (AZA) G4 537 Non-stop Airbus A320 (320) 4:03 Valid until 2026-01-01
Wed 15:11 Grand Rapids (GRR) 18:06 Punta Gorda (PGD) G4 537 Non-stop Airbus A320 (320) 2:55 Effective 2026-03-11 through 2026-03-25
Sat 15:16 Grand Rapids (GRR) 18:07 St. Pete-Clearwater, Tampa (PIE) G4 537 Non-stop Airbus A320 (320) 2:51 Effective 2026-02-14 through 2026-02-21
Sun 15:39 Grand Rapids (GRR) 18:20 Orlando Sanford (SFB) G4 537 Non-stop Airbus A320 (320) 2:41 Operates only on 2026-01-04
Sat 16:06 Santa Ana (SNA) 23:11 Grand Rapids (GRR) G4 537 Non-stop Airbus A320 (320) 4:05 Effective 2026-07-04 through 2026-08-01
Sat 16:11 Santa Ana (SNA) 23:16 Grand Rapids (GRR) G4 537 Non-stop Airbus A320 (320) 4:05 Effective 2026-06-20 through 2026-06-27
Mon 16:16 Grand Rapids (GRR) 18:59 St. Pete-Clearwater, Tampa (PIE) G4 537 Non-stop Airbus A320 (320) 2:43 Operates only on 2026-03-09

This flight number is listed as serving the following routes:

Grand Rapids (GRR) - Las Vegas Harry Reid (LAS)
Grand Rapids (GRR) - Orlando Sanford (SFB)
Grand Rapids (GRR) - Punta Gorda (PGD)
Grand Rapids (GRR) - St. Pete-Clearwater, Tampa (PIE)
Phoenix-Mesa Gateway (AZA) - Grand Rapids (GRR)
Santa Ana (SNA) - Grand Rapids (GRR)

All Allegiant Air flights

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Allegiant Air flight G4 537: Multiple routes

FLIGHT SCHEDULE

Direct Flights:

Allegiant Air G4537

06:40

Phoenix-Mesa Gateway (AZA)

13:06

Grand Rapids (GRR)

Operates only on 2026-03-19

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:26, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G4537

07:00

Grand Rapids (GRR)

09:55

Punta Gorda (PGD)

Effective 2026-03-07 through 2026-03-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:55, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G4537

07:00

Grand Rapids (GRR)

09:51

Punta Gorda (PGD)

Effective 2026-04-04 through 2026-05-16

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:51, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G4537

09:00

Grand Rapids (GRR)

11:49

St. Pete-Clearwater, Tampa (PIE)

Operates only on 2026-02-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:49, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G4537

09:00

Grand Rapids (GRR)

11:51

Punta Gorda (PGD)

Operates only on 2026-04-07

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:51, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G4537

09:25

Grand Rapids (GRR)

12:08

St. Pete-Clearwater, Tampa (PIE)

Operates only on 2026-03-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:43, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G4537

09:32

Phoenix-Mesa Gateway (AZA)

15:58

Grand Rapids (GRR)

Operates only on 2026-03-12

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:26, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G4537

09:32

Phoenix-Mesa Gateway (AZA)

15:58

Grand Rapids (GRR)

Operates only on 2026-03-26

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:26, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G4537

10:00

Grand Rapids (GRR)

12:21

Phoenix-Mesa Gateway (AZA)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:21, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G4537

10:00

Grand Rapids (GRR)

12:51

Punta Gorda (PGD)

Effective 2026-04-15 through 2026-05-13

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:51, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G4537

11:19

Santa Ana (SNA)

18:24

Grand Rapids (GRR)

Effective 2026-05-23 through 2026-06-13

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:05, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G4537

12:18

Santa Ana (SNA)

19:25

Grand Rapids (GRR)

Effective 2026-05-20 through 2026-05-27

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:07, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G4537

12:18

Santa Ana (SNA)

19:25

Grand Rapids (GRR)

Effective 2026-08-05 through 2026-08-12

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:07, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G4537

12:19

Santa Ana (SNA)

19:24

Grand Rapids (GRR)

Effective 2026-06-03 through 2026-07-29

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:05, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G4537

13:19

Santa Ana (SNA)

20:24

Grand Rapids (GRR)

Effective 2026-08-08 through 2026-08-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:05, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G4537

13:22

Grand Rapids (GRR)

15:25

Phoenix-Mesa Gateway (AZA)

Valid until 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:03, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G4537

13:22

Grand Rapids (GRR)

14:54

Las Vegas Harry Reid (LAS) 1

Operates only on 2026-03-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:32, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G4537

13:28

Grand Rapids (GRR)

14:21

Phoenix-Mesa Gateway (AZA)

Operates only on 2026-06-15

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:53, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G4537

14:59

Grand Rapids (GRR)

17:02

Phoenix-Mesa Gateway (AZA)

Valid until 2026-01-01

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:03, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G4537

15:11

Grand Rapids (GRR)

18:06

Punta Gorda (PGD)

Effective 2026-03-11 through 2026-03-25

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:55, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G4537

15:16

Grand Rapids (GRR)

18:07

St. Pete-Clearwater, Tampa (PIE)

Effective 2026-02-14 through 2026-02-21

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:51, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G4537

15:39

Grand Rapids (GRR)

18:20

Orlando Sanford (SFB)

Operates only on 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:41, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G4537

16:06

Santa Ana (SNA)

23:11

Grand Rapids (GRR)

Effective 2026-07-04 through 2026-08-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:05, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G4537

16:11

Santa Ana (SNA)

23:16

Grand Rapids (GRR)

Effective 2026-06-20 through 2026-06-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:05, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G4537

16:16

Grand Rapids (GRR)

18:59

St. Pete-Clearwater, Tampa (PIE)

Operates only on 2026-03-09

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:43, non-stop
Airbus A320 (320)

This flight number is listed as serving the following routes:

Grand Rapids (GRR) - Las Vegas Harry Reid (LAS)
Grand Rapids (GRR) - Orlando Sanford (SFB)
Grand Rapids (GRR) - Punta Gorda (PGD)
Grand Rapids (GRR) - St. Pete-Clearwater, Tampa (PIE)
Phoenix-Mesa Gateway (AZA) - Grand Rapids (GRR)
Santa Ana (SNA) - Grand Rapids (GRR)

All Allegiant Air flights

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