Southwest Airlines flight WN 437: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Tue,Wed 07:05 Atlanta (ATL) N 08:00 Phoenix Sky Harbor (PHX) 4
WN 437 Non-stop Boeing 737-700 (73W) 3:55 Valid until 2024-10-02
Mon,Thu,Fri,Sun 07:45 Sacramento (SMF) B 09:15 Los Angeles (LAX) 1
WN 437 Non-stop Boeing 737-700 (73W) 1:30 Effective 2025-02-13 through 2025-02-17
Thu,Fri,Sun 07:45 Sacramento (SMF) B 09:15 Los Angeles (LAX) 1
WN 437 Non-stop Boeing 737-700 (73W) 1:30 Effective 2025-02-21 through 2025-03-02
Sat 08:15 Nashville (BNA) 10:50 Los Angeles (LAX) 1
WN 437 Non-stop Boeing 737 MAX 8 (7M8) 4:35 Effective 2024-10-05 through 2024-11-02
Sat 08:35 Houston Hobby (HOU) 10:10 Midland (MAF)
WN 437 Non-stop Boeing 737-700 (73W) 1:35 Effective 2025-02-15 through 2025-03-01
Sat 09:20 Midway, Chicago (MDW) 11:30 Ontario, Los Angeles (ONT) 4
WN 437 Non-stop Boeing 737 MAX 8 (7M8) 4:10 Valid until 2024-09-28
Mon,Thu,Fri,Sun 09:50 Los Angeles (LAX) 1 12:20 Tucson (TUS)
WN 437 Non-stop Boeing 737-700 (73W) 1:30 Effective 2025-02-13 through 2025-02-17
Thu,Fri,Sun 09:50 Los Angeles (LAX) 1 12:20 Tucson (TUS)
WN 437 Non-stop Boeing 737-700 (73W) 1:30 Effective 2025-02-21 through 2025-03-02
Sat 10:45 Midland (MAF) 11:10 Las Vegas Harry Reid (LAS) 1
WN 437 Non-stop Boeing 737-700 (73W) 2:25 Effective 2025-02-15 through 2025-03-01
Thu 11:05 Las Vegas Harry Reid (LAS) 1 13:25 Phoenix Sky Harbor (PHX) 4
WN 437 Non-stop Boeing 737-700 (73W) 1:20 Operates only on 2024-11-28
Mon,Thu,Fri 11:10 Love Field, Dallas (DAL) 1 15:00 Miami (MIA)
WN 437 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Valid until 2024-09-30
Mon-Wed 11:10 Las Vegas Harry Reid (LAS) 1 13:30 Phoenix Sky Harbor (PHX) 4
WN 437 Non-stop Boeing 737-700 (73W) 1:20 Effective 2024-11-04 through 2024-11-06
Tue,Wed 11:10 Las Vegas Harry Reid (LAS) 1 13:30 Phoenix Sky Harbor (PHX) 4
WN 437 Non-stop Boeing 737-700 (73W) 1:20 Effective 2024-11-12 through 2024-11-20
Tue-Fri 11:10 Las Vegas Harry Reid (LAS) 1 13:30 Phoenix Sky Harbor (PHX) 4
WN 437 Non-stop Boeing 737-700 (73W) 1:20 Effective 2024-11-29 through 2024-12-06
Mon-Thu 11:10 Las Vegas Harry Reid (LAS) 1 13:30 Phoenix Sky Harbor (PHX) 4
WN 437 Non-stop Boeing 737-700 (73W) 1:20 Effective 2024-12-09 through 2024-12-18
Tue,Wed 11:10 Las Vegas Harry Reid (LAS) 1 13:30 Phoenix Sky Harbor (PHX) 4
WN 437 Non-stop Boeing 737-700 (73W) 1:20 Effective 2024-12-24 through 2025-01-01
Mon 11:10 Las Vegas Harry Reid (LAS) 1 13:30 Phoenix Sky Harbor (PHX) 4
WN 437 Non-stop Boeing 737-700 (73W) 1:20 Operates only on 2025-01-06
Thu,Fri,Sun 11:30 Las Vegas Harry Reid (LAS) 1 13:45 Phoenix Sky Harbor (PHX) 4
WN 437 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2025-01-12 through 2025-01-17
Mon,Sun 11:30 Las Vegas Harry Reid (LAS) 1 13:45 Phoenix Sky Harbor (PHX) 4
WN 437 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2025-01-20 through 2025-01-26
Thu,Fri,Sun 11:30 Las Vegas Harry Reid (LAS) 1 13:45 Phoenix Sky Harbor (PHX) 4
WN 437 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2025-02-02 through 2025-02-07
Mon 11:30 Las Vegas Harry Reid (LAS) 1 13:45 Phoenix Sky Harbor (PHX) 4
WN 437 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Operates only on 2025-02-10
Mon,Tue,Thu 11:30 Las Vegas Harry Reid (LAS) 1 13:45 Phoenix Sky Harbor (PHX) 4
WN 437 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2025-02-18 through 2025-02-24
Mon 11:30 Las Vegas Harry Reid (LAS) 1 13:45 Phoenix Sky Harbor (PHX) 4
WN 437 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Operates only on 2025-03-03
Sat 11:50 Las Vegas Harry Reid (LAS) 1 14:05 Phoenix Sky Harbor (PHX) 4
WN 437 Non-stop Boeing 737-700 (73W) 1:15 Effective 2025-02-15 through 2025-03-01
Sun 12:05 Las Vegas Harry Reid (LAS) 1 14:20 Phoenix Sky Harbor (PHX) 4
WN 437 Non-stop Boeing 737-800 (73H) 1:15 Operates only on 2024-12-01
Mon,Thu,Fri 12:20 Baltimore (BWI) 15:05 San Antonio (SAT) A
WN 437 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2024-10-03 through 2024-10-28
Fri 12:20 Baltimore (BWI) 15:05 San Antonio (SAT) A
WN 437 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Operates only on 2024-11-01
Mon-Fri 12:25 Las Vegas Harry Reid (LAS) 1 14:45 Phoenix Sky Harbor (PHX) 4
WN 437 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2025-01-07 through 2025-01-15
Tue-Fri,Sun 12:25 Las Vegas Harry Reid (LAS) 1 14:45 Phoenix Sky Harbor (PHX) 4
WN 437 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2025-01-19 through 2025-01-24
Mon-Fri 12:25 Las Vegas Harry Reid (LAS) 1 14:45 Phoenix Sky Harbor (PHX) 4
WN 437 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2025-01-27 through 2025-02-05
Tue,Wed,Sun 12:25 Las Vegas Harry Reid (LAS) 1 14:45 Phoenix Sky Harbor (PHX) 4
WN 437 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2025-02-09 through 2025-02-12
Tue,Wed 12:25 Las Vegas Harry Reid (LAS) 1 14:45 Phoenix Sky Harbor (PHX) 4
WN 437 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2025-02-19 through 2025-03-05
Mon,Thu,Fri,Sun 13:05 Tucson (TUS) 15:00 Denver (DEN)
WN 437 Non-stop Boeing 737-700 (73W) 1:55 Effective 2025-02-13 through 2025-02-17
Thu,Fri,Sun 13:05 Tucson (TUS) 15:00 Denver (DEN)
WN 437 Non-stop Boeing 737-700 (73W) 1:55 Effective 2025-02-21 through 2025-03-02
Mon-Wed 13:25 Las Vegas Harry Reid (LAS) 1 15:40 Phoenix Sky Harbor (PHX) 4
WN 437 Non-stop Boeing 737-700 (73W) 1:15 Effective 2024-11-26 through 2024-12-02
Mon,Thu,Fri,Sun 13:25 Las Vegas Harry Reid (LAS) 1 15:40 Phoenix Sky Harbor (PHX) 4
WN 437 Non-stop Boeing 737-700 (73W) 1:15 Effective 2024-12-20 through 2025-01-02
Sun 13:25 Las Vegas Harry Reid (LAS) 1 15:40 Phoenix Sky Harbor (PHX) 4
WN 437 Non-stop Boeing 737-700 (73W) 1:15 Operates only on 2025-01-05
Sun 14:00 Richmond (RIC) 15:40 Atlanta (ATL) N
WN 437 Non-stop Boeing 737-700 (73W) 1:40 Operates only on 2024-09-01
Mon,Thu,Fri,Sun 15:40 Denver (DEN) 21:10 Orlando (MCO)
WN 437 Non-stop Boeing 737-700 (73W) 3:30 Effective 2025-02-13 through 2025-02-17
Thu,Fri,Sun 15:40 Denver (DEN) 21:10 Orlando (MCO)
WN 437 Non-stop Boeing 737-700 (73W) 3:30 Effective 2025-02-21 through 2025-03-02
Thu 15:45 Orlando (MCO) 17:35 Love Field, Dallas (DAL) 1
WN 437 Non-stop Boeing 737-700 (73W) 2:50 Operates only on 2024-10-31
Sun 16:40 Baltimore (BWI) 18:40 Jacksonville (JAX)
WN 437 Non-stop Boeing 737-700 (73W) 2:00 Effective 2024-10-06 through 2024-10-27
Sat 16:40 Harlingen (HRL) 18:15 Love Field, Dallas (DAL) 1
WN 437 Non-stop Boeing 737-700 (73W) 1:35 Effective 2024-11-23 through 2024-11-30
Sat 16:40 Harlingen (HRL) 18:15 Love Field, Dallas (DAL) 1
WN 437 Non-stop Boeing 737-700 (73W) 1:35 Effective 2024-12-21 through 2025-01-04
Thu 18:15 Love Field, Dallas (DAL) 1 19:15 Colorado Springs (COS)
WN 437 Non-stop Boeing 737-700 (73W) 2:00 Operates only on 2024-10-31
Tue,Wed 18:25 Baltimore (BWI) 20:25 Jacksonville (JAX)
WN 437 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2024-10-08 through 2024-10-30
Sat 18:55 Love Field, Dallas (DAL) 1 20:35 Phoenix Sky Harbor (PHX) 4
WN 437 Non-stop Boeing 737-700 (73W) 2:40 Effective 2024-11-23 through 2024-11-30
Sat 18:55 Love Field, Dallas (DAL) 1 20:35 Phoenix Sky Harbor (PHX) 4
WN 437 Non-stop Boeing 737-700 (73W) 2:40 Effective 2024-12-21 through 2025-01-04
Mon,Thu,Fri,Sun 21:45 Orlando (MCO) 23:20 Atlanta (ATL) N
WN 437 Non-stop Boeing 737-700 (73W) 1:35 Effective 2025-02-13 through 2025-02-17
Thu,Fri,Sun 21:45 Orlando (MCO) 23:20 Atlanta (ATL) N
WN 437 Non-stop Boeing 737-700 (73W) 1:35 Effective 2025-02-21 through 2025-03-02
Non-Direct Flights:
Mon,Thu,Fri,Sun 07:45 Sacramento (SMF) B 12:20 Tucson (TUS)
WN 437 1-stop Boeing 737-700 (73W) 3:35 Effective 2025-02-13 through 2025-02-17
Thu,Fri,Sun 07:45 Sacramento (SMF) B 12:20 Tucson (TUS)
WN 437 1-stop Boeing 737-700 (73W) 3:35 Effective 2025-02-21 through 2025-03-02
Sat 08:35 Houston Hobby (HOU) 11:10 Las Vegas Harry Reid (LAS) 1
WN 437 1-stop Boeing 737-700 (73W) 4:35 Effective 2025-02-15 through 2025-03-01
Mon,Thu,Fri,Sun 09:50 Los Angeles (LAX) 1 15:00 Denver (DEN)
WN 437 1-stop Boeing 737-700 (73W) 4:10 Effective 2025-02-13 through 2025-02-17
Thu,Fri,Sun 09:50 Los Angeles (LAX) 1 15:00 Denver (DEN)
WN 437 1-stop Boeing 737-700 (73W) 4:10 Effective 2025-02-21 through 2025-03-02
Sat 10:45 Midland (MAF) 14:05 Phoenix Sky Harbor (PHX) 4
WN 437 1-stop Boeing 737-700 (73W) 4:20 Effective 2025-02-15 through 2025-03-01
Mon,Thu,Fri,Sun 13:05 Tucson (TUS) 21:10 Orlando (MCO)
WN 437 1-stop Boeing 737-700 (73W) 6:05 Effective 2025-02-13 through 2025-02-17
Thu,Fri,Sun 13:05 Tucson (TUS) 21:10 Orlando (MCO)
WN 437 1-stop Boeing 737-700 (73W) 6:05 Effective 2025-02-21 through 2025-03-02
Mon,Thu,Fri,Sun 15:40 Denver (DEN) 23:20 Atlanta (ATL) N
WN 437 1-stop Boeing 737-700 (73W) 5:40 Effective 2025-02-13 through 2025-02-17
Thu,Fri,Sun 15:40 Denver (DEN) 23:20 Atlanta (ATL) N
WN 437 1-stop Boeing 737-700 (73W) 5:40 Effective 2025-02-21 through 2025-03-02
Thu 15:45 Orlando (MCO) 19:15 Colorado Springs (COS)
WN 437 1-stop Boeing 737-700 (73W) 5:30 Operates only on 2024-10-31
Sat 16:40 Harlingen (HRL) 20:35 Phoenix Sky Harbor (PHX) 4
WN 437 1-stop Boeing 737-700 (73W) 4:55 Effective 2024-11-23 through 2024-11-30
Sat 16:40 Harlingen (HRL) 20:35 Phoenix Sky Harbor (PHX) 4
WN 437 1-stop Boeing 737-700 (73W) 4:55 Effective 2024-12-21 through 2025-01-04
Mon,Thu,Fri,Sun 07:45 Sacramento (SMF) B 15:00 Denver (DEN)
WN 437 2-stop Boeing 737-700 (73W) 6:15 Effective 2025-02-13 through 2025-02-17
Thu,Fri,Sun 07:45 Sacramento (SMF) B 15:00 Denver (DEN)
WN 437 2-stop Boeing 737-700 (73W) 6:15 Effective 2025-02-21 through 2025-03-02
Sat 08:35 Houston Hobby (HOU) 14:05 Phoenix Sky Harbor (PHX) 4
WN 437 2-stop Boeing 737-700 (73W) 6:30 Effective 2025-02-15 through 2025-03-01
Mon,Thu,Fri,Sun 09:50 Los Angeles (LAX) 1 21:10 Orlando (MCO)
WN 437 2-stop Boeing 737-700 (73W) 8:20 Effective 2025-02-13 through 2025-02-17
Thu,Fri,Sun 09:50 Los Angeles (LAX) 1 21:10 Orlando (MCO)
WN 437 2-stop Boeing 737-700 (73W) 8:20 Effective 2025-02-21 through 2025-03-02
Mon,Thu,Fri,Sun 13:05 Tucson (TUS) 23:20 Atlanta (ATL) N
WN 437 2-stop Boeing 737-700 (73W) 8:15 Effective 2025-02-13 through 2025-02-17
Thu,Fri,Sun 13:05 Tucson (TUS) 23:20 Atlanta (ATL) N
WN 437 2-stop Boeing 737-700 (73W) 8:15 Effective 2025-02-21 through 2025-03-02
Mon,Thu,Fri,Sun 07:45 Sacramento (SMF) B 21:10 Orlando (MCO)
WN 437 3-stop Boeing 737-700 (73W) 10:25 Effective 2025-02-13 through 2025-02-17
Thu,Fri,Sun 07:45 Sacramento (SMF) B 21:10 Orlando (MCO)
WN 437 3-stop Boeing 737-700 (73W) 10:25 Effective 2025-02-21 through 2025-03-02
Mon,Thu,Fri,Sun 09:50 Los Angeles (LAX) 1 23:20 Atlanta (ATL) N
WN 437 3-stop Boeing 737-700 (73W) 10:30 Effective 2025-02-13 through 2025-02-17
Thu,Fri,Sun 09:50 Los Angeles (LAX) 1 23:20 Atlanta (ATL) N
WN 437 3-stop Boeing 737-700 (73W) 10:30 Effective 2025-02-21 through 2025-03-02
Mon,Thu,Fri,Sun 07:45 Sacramento (SMF) B 23:20 Atlanta (ATL) N
WN 437 4-stop Boeing 737-700 (73W) 12:35 Effective 2025-02-13 through 2025-02-17
Thu,Fri,Sun 07:45 Sacramento (SMF) B 23:20 Atlanta (ATL) N
WN 437 4-stop Boeing 737-700 (73W) 12:35 Effective 2025-02-21 through 2025-03-02
This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 437: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN437
07:05
Atlanta (ATL) N

08:00
Phoenix Sky Harbor (PHX) 4
Valid until 2024-10-02
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:55, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
07:45
Sacramento (SMF) B

09:15
Los Angeles (LAX) 1
Effective 2025-02-13 through 2025-02-17
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
07:45
Sacramento (SMF) B

09:15
Los Angeles (LAX) 1
Effective 2025-02-21 through 2025-03-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
08:15
Nashville (BNA)

10:50
Los Angeles (LAX) 1
Effective 2024-10-05 through 2024-11-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:35, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN437
08:35
Houston Hobby (HOU)

10:10
Midland (MAF)
Effective 2025-02-15 through 2025-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
09:20
Midway, Chicago (MDW)

11:30
Ontario, Los Angeles (ONT) 4
Valid until 2024-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:10, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN437
09:50
Los Angeles (LAX) 1

12:20
Tucson (TUS)
Effective 2025-02-13 through 2025-02-17
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
09:50
Los Angeles (LAX) 1

12:20
Tucson (TUS)
Effective 2025-02-21 through 2025-03-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
10:45
Midland (MAF)

11:10
Las Vegas Harry Reid (LAS) 1
Effective 2025-02-15 through 2025-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:25, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
11:05
Las Vegas Harry Reid (LAS) 1

13:25
Phoenix Sky Harbor (PHX) 4
Operates only on 2024-11-28
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
11:10
Love Field, Dallas (DAL) 1

15:00
Miami (MIA)
Valid until 2024-09-30
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN437
11:10
Las Vegas Harry Reid (LAS) 1

13:30
Phoenix Sky Harbor (PHX) 4
Effective 2024-11-04 through 2024-11-06
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
11:10
Las Vegas Harry Reid (LAS) 1

13:30
Phoenix Sky Harbor (PHX) 4
Effective 2024-11-12 through 2024-11-20
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
11:10
Las Vegas Harry Reid (LAS) 1

13:30
Phoenix Sky Harbor (PHX) 4
Effective 2024-11-29 through 2024-12-06
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
11:10
Las Vegas Harry Reid (LAS) 1

13:30
Phoenix Sky Harbor (PHX) 4
Effective 2024-12-09 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
11:10
Las Vegas Harry Reid (LAS) 1

13:30
Phoenix Sky Harbor (PHX) 4
Effective 2024-12-24 through 2025-01-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
11:10
Las Vegas Harry Reid (LAS) 1

13:30
Phoenix Sky Harbor (PHX) 4
Operates only on 2025-01-06
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
11:30
Las Vegas Harry Reid (LAS) 1

13:45
Phoenix Sky Harbor (PHX) 4
Effective 2025-01-12 through 2025-01-17
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN437
11:30
Las Vegas Harry Reid (LAS) 1

13:45
Phoenix Sky Harbor (PHX) 4
Effective 2025-01-20 through 2025-01-26
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN437
11:30
Las Vegas Harry Reid (LAS) 1

13:45
Phoenix Sky Harbor (PHX) 4
Effective 2025-02-02 through 2025-02-07
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN437
11:30
Las Vegas Harry Reid (LAS) 1

13:45
Phoenix Sky Harbor (PHX) 4
Operates only on 2025-02-10
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN437
11:30
Las Vegas Harry Reid (LAS) 1

13:45
Phoenix Sky Harbor (PHX) 4
Effective 2025-02-18 through 2025-02-24
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN437
11:30
Las Vegas Harry Reid (LAS) 1

13:45
Phoenix Sky Harbor (PHX) 4
Operates only on 2025-03-03
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN437
11:50
Las Vegas Harry Reid (LAS) 1

14:05
Phoenix Sky Harbor (PHX) 4
Effective 2025-02-15 through 2025-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
12:05
Las Vegas Harry Reid (LAS) 1

14:20
Phoenix Sky Harbor (PHX) 4
Operates only on 2024-12-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN437
12:20
Baltimore (BWI)

15:05
San Antonio (SAT) A
Effective 2024-10-03 through 2024-10-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN437
12:20
Baltimore (BWI)

15:05
San Antonio (SAT) A
Operates only on 2024-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN437
12:25
Las Vegas Harry Reid (LAS) 1

14:45
Phoenix Sky Harbor (PHX) 4
Effective 2025-01-07 through 2025-01-15
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN437
12:25
Las Vegas Harry Reid (LAS) 1

14:45
Phoenix Sky Harbor (PHX) 4
Effective 2025-01-19 through 2025-01-24
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN437
12:25
Las Vegas Harry Reid (LAS) 1

14:45
Phoenix Sky Harbor (PHX) 4
Effective 2025-01-27 through 2025-02-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN437
12:25
Las Vegas Harry Reid (LAS) 1

14:45
Phoenix Sky Harbor (PHX) 4
Effective 2025-02-09 through 2025-02-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN437
12:25
Las Vegas Harry Reid (LAS) 1

14:45
Phoenix Sky Harbor (PHX) 4
Effective 2025-02-19 through 2025-03-05
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN437
13:05
Tucson (TUS)

15:00
Denver (DEN)
Effective 2025-02-13 through 2025-02-17
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
13:05
Tucson (TUS)

15:00
Denver (DEN)
Effective 2025-02-21 through 2025-03-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
13:25
Las Vegas Harry Reid (LAS) 1

15:40
Phoenix Sky Harbor (PHX) 4
Effective 2024-11-26 through 2024-12-02
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
13:25
Las Vegas Harry Reid (LAS) 1

15:40
Phoenix Sky Harbor (PHX) 4
Effective 2024-12-20 through 2025-01-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
13:25
Las Vegas Harry Reid (LAS) 1

15:40
Phoenix Sky Harbor (PHX) 4
Operates only on 2025-01-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
14:00
Richmond (RIC)

15:40
Atlanta (ATL) N
Operates only on 2024-09-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:40, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
15:40
Denver (DEN)

21:10
Orlando (MCO)
Effective 2025-02-13 through 2025-02-17
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:30, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
15:40
Denver (DEN)

21:10
Orlando (MCO)
Effective 2025-02-21 through 2025-03-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:30, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
15:45
Orlando (MCO)

17:35
Love Field, Dallas (DAL) 1
Operates only on 2024-10-31
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
16:40
Baltimore (BWI)

18:40
Jacksonville (JAX)
Effective 2024-10-06 through 2024-10-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
16:40
Harlingen (HRL)

18:15
Love Field, Dallas (DAL) 1
Effective 2024-11-23 through 2024-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
16:40
Harlingen (HRL)

18:15
Love Field, Dallas (DAL) 1
Effective 2024-12-21 through 2025-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
18:15
Love Field, Dallas (DAL) 1

19:15
Colorado Springs (COS)
Operates only on 2024-10-31
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
18:25
Baltimore (BWI)

20:25
Jacksonville (JAX)
Effective 2024-10-08 through 2024-10-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN437
18:55
Love Field, Dallas (DAL) 1

20:35
Phoenix Sky Harbor (PHX) 4
Effective 2024-11-23 through 2024-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:40, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
18:55
Love Field, Dallas (DAL) 1

20:35
Phoenix Sky Harbor (PHX) 4
Effective 2024-12-21 through 2025-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:40, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
21:45
Orlando (MCO)

23:20
Atlanta (ATL) N
Effective 2025-02-13 through 2025-02-17
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
21:45
Orlando (MCO)

23:20
Atlanta (ATL) N
Effective 2025-02-21 through 2025-03-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (73W)
Non-Direct Flights:
Southwest Airlines WN437
07:45
Sacramento (SMF) B

12:20
Tucson (TUS)
Effective 2025-02-13 through 2025-02-17
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:35, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
07:45
Sacramento (SMF) B

12:20
Tucson (TUS)
Effective 2025-02-21 through 2025-03-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:35, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
08:35
Houston Hobby (HOU)

11:10
Las Vegas Harry Reid (LAS) 1
Effective 2025-02-15 through 2025-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:35, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
09:50
Los Angeles (LAX) 1

15:00
Denver (DEN)
Effective 2025-02-13 through 2025-02-17
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:10, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
09:50
Los Angeles (LAX) 1

15:00
Denver (DEN)
Effective 2025-02-21 through 2025-03-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:10, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
10:45
Midland (MAF)

14:05
Phoenix Sky Harbor (PHX) 4
Effective 2025-02-15 through 2025-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:20, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
13:05
Tucson (TUS)

21:10
Orlando (MCO)
Effective 2025-02-13 through 2025-02-17
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 6:05, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
13:05
Tucson (TUS)

21:10
Orlando (MCO)
Effective 2025-02-21 through 2025-03-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 6:05, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
15:40
Denver (DEN)

23:20
Atlanta (ATL) N
Effective 2025-02-13 through 2025-02-17
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 5:40, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
15:40
Denver (DEN)

23:20
Atlanta (ATL) N
Effective 2025-02-21 through 2025-03-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 5:40, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
15:45
Orlando (MCO)

19:15
Colorado Springs (COS)
Operates only on 2024-10-31
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:30, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
16:40
Harlingen (HRL)

20:35
Phoenix Sky Harbor (PHX) 4
Effective 2024-11-23 through 2024-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:55, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
16:40
Harlingen (HRL)

20:35
Phoenix Sky Harbor (PHX) 4
Effective 2024-12-21 through 2025-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:55, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
07:45
Sacramento (SMF) B

15:00
Denver (DEN)
Effective 2025-02-13 through 2025-02-17
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 6:15, 2-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
07:45
Sacramento (SMF) B

15:00
Denver (DEN)
Effective 2025-02-21 through 2025-03-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 6:15, 2-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
08:35
Houston Hobby (HOU)

14:05
Phoenix Sky Harbor (PHX) 4
Effective 2025-02-15 through 2025-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:30, 2-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
09:50
Los Angeles (LAX) 1

21:10
Orlando (MCO)
Effective 2025-02-13 through 2025-02-17
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 8:20, 2-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
09:50
Los Angeles (LAX) 1

21:10
Orlando (MCO)
Effective 2025-02-21 through 2025-03-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 8:20, 2-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
13:05
Tucson (TUS)

23:20
Atlanta (ATL) N
Effective 2025-02-13 through 2025-02-17
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 8:15, 2-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
13:05
Tucson (TUS)

23:20
Atlanta (ATL) N
Effective 2025-02-21 through 2025-03-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 8:15, 2-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
07:45
Sacramento (SMF) B

21:10
Orlando (MCO)
Effective 2025-02-13 through 2025-02-17
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 10:25, 3-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
07:45
Sacramento (SMF) B

21:10
Orlando (MCO)
Effective 2025-02-21 through 2025-03-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 10:25, 3-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
09:50
Los Angeles (LAX) 1

23:20
Atlanta (ATL) N
Effective 2025-02-13 through 2025-02-17
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 10:30, 3-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
09:50
Los Angeles (LAX) 1

23:20
Atlanta (ATL) N
Effective 2025-02-21 through 2025-03-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 10:30, 3-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
07:45
Sacramento (SMF) B

23:20
Atlanta (ATL) N
Effective 2025-02-13 through 2025-02-17
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 12:35, 4-stop
Boeing 737-700 (73W)
Southwest Airlines WN437
07:45
Sacramento (SMF) B

23:20
Atlanta (ATL) N
Effective 2025-02-21 through 2025-03-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 12:35, 4-stop
Boeing 737-700 (73W)
This flight number is listed as serving the following routes:
  • Atlanta (ATL) - Phoenix Sky Harbor (PHX)
  • Baltimore (BWI) - Jacksonville (JAX)
  • Baltimore (BWI) - San Antonio (SAT)
  • Denver (DEN) - Atlanta (ATL)
  • Denver (DEN) - Orlando (MCO)
  • Harlingen (HRL) - Love Field, Dallas (DAL)
  • Harlingen (HRL) - Phoenix Sky Harbor (PHX)
  • Houston Hobby (HOU) - Las Vegas Harry Reid (LAS)
  • Houston Hobby (HOU) - Midland (MAF)
  • Houston Hobby (HOU) - Phoenix Sky Harbor (PHX)
  • Las Vegas Harry Reid (LAS) - Phoenix Sky Harbor (PHX)
  • Los Angeles (LAX) - Atlanta (ATL)
  • Los Angeles (LAX) - Denver (DEN)
  • Los Angeles (LAX) - Orlando (MCO)
  • Los Angeles (LAX) - Tucson (TUS)
  • Love Field, Dallas (DAL) - Colorado Springs (COS)
  • Love Field, Dallas (DAL) - Miami (MIA)
  • Love Field, Dallas (DAL) - Phoenix Sky Harbor (PHX)
  • Midland (MAF) - Las Vegas Harry Reid (LAS)
  • Midland (MAF) - Phoenix Sky Harbor (PHX)
  • Midway, Chicago (MDW) - Ontario, Los Angeles (ONT)
  • Nashville (BNA) - Los Angeles (LAX)
  • Orlando (MCO) - Atlanta (ATL)
  • Orlando (MCO) - Colorado Springs (COS)
  • Orlando (MCO) - Love Field, Dallas (DAL)
  • Richmond (RIC) - Atlanta (ATL)
  • Sacramento (SMF) - Atlanta (ATL)
  • Sacramento (SMF) - Denver (DEN)
  • Sacramento (SMF) - Los Angeles (LAX)
  • Sacramento (SMF) - Orlando (MCO)
  • Sacramento (SMF) - Tucson (TUS)
  • Tucson (TUS) - Atlanta (ATL)
  • Tucson (TUS) - Denver (DEN)
  • Tucson (TUS) - Orlando (MCO)
All Southwest Airlines flights
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