Southwest Airlines flight WN 3531: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 06:15 Kansas City (MCI) 10:00 New York LaGuardia (LGA) B
WN 3531 Non-stop Boeing 737-700 (73W) 2:45 Effective 2025-08-07 through 2025-09-29
Tue,Wed 07:30 Midway, Chicago (MDW) 09:50 Los Angeles (LAX) 1
WN 3531 Non-stop Boeing 737 MAX 8 (7M8) 4:20 Effective 2025-06-10 through 2025-07-30
Sat 08:00 Kansas City (MCI) 11:45 New York LaGuardia (LGA) B
WN 3531 Non-stop Boeing 737-700 (73W) 2:45 Effective 2025-08-09 through 2025-09-27
Sun 09:30 Kansas City (MCI) 13:15 New York LaGuardia (LGA) B
WN 3531 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2025-08-10 through 2025-08-24
Sun 09:30 Kansas City (MCI) 13:15 New York LaGuardia (LGA) B
WN 3531 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2025-09-07 through 2025-09-28
Sun 09:40 Kansas City (MCI) 13:25 New York LaGuardia (LGA) B
WN 3531 Non-stop Boeing 737-800 (73H) 2:45 Operates only on 2025-08-31
Sat 12:45 Albuquerque (ABQ) 16:25 Nashville (BNA)
WN 3531 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2025-11-22 through 2025-11-29
Sat 12:45 Albuquerque (ABQ) 16:25 Nashville (BNA)
WN 3531 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2025-12-20 through 2026-01-03
Sun 14:00 New York LaGuardia (LGA) B 16:55 Houston Hobby (HOU)
WN 3531 Non-stop Boeing 737 MAX 8 (7M8) 3:55 Effective 2025-10-05 through 2025-10-26
Fri 14:30 Philadelphia (PHL) E 15:35 Midway, Chicago (MDW)
WN 3531 Non-stop Boeing 737-700 (73W) 2:05 Operates only on 2025-07-04
Mon,Thu,Fri 14:55 New York LaGuardia (LGA) B 17:55 Houston Hobby (HOU)
WN 3531 Non-stop Boeing 737-800 (73H) 4:00 Effective 2025-10-02 through 2025-10-31
Tue,Wed 14:55 New York LaGuardia (LGA) B 17:55 Houston Hobby (HOU)
WN 3531 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Effective 2025-10-07 through 2025-10-29
Sun 15:10 Miami (MIA) 16:35 Nashville (BNA)
WN 3531 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Operates only on 2025-11-30
Fri 16:15 Midway, Chicago (MDW) 18:35 Los Angeles (LAX) 1
WN 3531 Non-stop Boeing 737-700 (73W) 4:20 Operates only on 2025-07-04
Tue,Wed 16:20 Kansas City (MCI) 20:10 New York LaGuardia (LGA) B
WN 3531 Non-stop Boeing 737-700 (73W) 2:50 Effective 2025-08-05 through 2025-10-01
Mon-Wed 16:20 Albuquerque (ABQ) 20:00 Nashville (BNA)
WN 3531 Non-stop Boeing 737-800 (73H) 2:40 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 16:20 Albuquerque (ABQ) 20:00 Nashville (BNA)
WN 3531 Non-stop Boeing 737-800 (73H) 2:40 Effective 2025-12-19 through 2026-01-04
Sat 16:45 Midway, Chicago (MDW) 19:05 Los Angeles (LAX) 1
WN 3531 Non-stop Boeing 737 MAX 8 (7M8) 4:20 Effective 2025-06-07 through 2025-08-02
Mon,Thu,Fri 16:50 Midway, Chicago (MDW) 19:10 Los Angeles (LAX) 1
WN 3531 Non-stop Boeing 737 MAX 8 (7M8) 4:20 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 16:50 Midway, Chicago (MDW) 19:10 Los Angeles (LAX) 1
WN 3531 Non-stop Boeing 737 MAX 8 (7M8) 4:20 Effective 2025-07-07 through 2025-08-04
Sun 17:25 Kansas City (MCI) 19:20 Austin (AUS)
WN 3531 Non-stop Boeing 737-700 (73W) 1:55 Operates only on 2025-05-25
Sun 19:55 Austin (AUS) 21:05 Harlingen (HRL)
WN 3531 Non-stop Boeing 737-700 (73W) 1:10 Operates only on 2025-05-25
Tue,Wed 19:55 Nashville (BNA) 23:15 New York LaGuardia (LGA) B
WN 3531 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-11-04 through 2025-11-12
Mon-Thu 19:55 Nashville (BNA) 23:15 New York LaGuardia (LGA) B
WN 3531 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-11-17 through 2025-11-20
Mon-Fri 19:55 Nashville (BNA) 23:15 New York LaGuardia (LGA) B
WN 3531 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-12-02 through 2025-12-11
Mon-Wed 19:55 Nashville (BNA) 23:15 New York LaGuardia (LGA) B
WN 3531 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-12-15 through 2025-12-17
Wed,Thu 19:55 Nashville (BNA) 23:15 New York LaGuardia (LGA) B
WN 3531 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-12-24 through 2026-01-01
Sun 21:25 Austin (AUS) 22:35 Harlingen (HRL)
WN 3531 Non-stop Boeing 737-700 (73W) 1:10 Valid until 2025-05-18
Sun 21:25 Austin (AUS) 22:35 Harlingen (HRL)
WN 3531 Non-stop Boeing 737-700 (73W) 1:10 Operates only on 2025-06-01
Non-Direct Flights:
Fri 14:30 Philadelphia (PHL) E 18:35 Los Angeles (LAX) 1
WN 3531 1-stop Boeing 737-700 (73W) 7:05 Operates only on 2025-07-04
Sun 17:25 Kansas City (MCI) 21:05 Harlingen (HRL)
WN 3531 1-stop Boeing 737-700 (73W) 3:40 Operates only on 2025-05-25
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 3531: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN3531
06:15
Kansas City (MCI)

10:00
New York LaGuardia (LGA) B
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:45, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3531
07:30
Midway, Chicago (MDW)

09:50
Los Angeles (LAX) 1
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3531
08:00
Kansas City (MCI)

11:45
New York LaGuardia (LGA) B
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:45, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3531
09:30
Kansas City (MCI)

13:15
New York LaGuardia (LGA) B
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3531
09:30
Kansas City (MCI)

13:15
New York LaGuardia (LGA) B
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3531
09:40
Kansas City (MCI)

13:25
New York LaGuardia (LGA) B
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3531
12:45
Albuquerque (ABQ)

16:25
Nashville (BNA)
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3531
12:45
Albuquerque (ABQ)

16:25
Nashville (BNA)
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3531
14:00
New York LaGuardia (LGA) B

16:55
Houston Hobby (HOU)
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3531
14:30
Philadelphia (PHL) E

15:35
Midway, Chicago (MDW)
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3531
14:55
New York LaGuardia (LGA) B

17:55
Houston Hobby (HOU)
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3531
14:55
New York LaGuardia (LGA) B

17:55
Houston Hobby (HOU)
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3531
15:10
Miami (MIA)

16:35
Nashville (BNA)
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3531
16:15
Midway, Chicago (MDW)

18:35
Los Angeles (LAX) 1
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3531
16:20
Kansas City (MCI)

20:10
New York LaGuardia (LGA) B
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3531
16:20
Albuquerque (ABQ)

20:00
Nashville (BNA)
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3531
16:20
Albuquerque (ABQ)

20:00
Nashville (BNA)
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:40, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3531
16:45
Midway, Chicago (MDW)

19:05
Los Angeles (LAX) 1
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3531
16:50
Midway, Chicago (MDW)

19:10
Los Angeles (LAX) 1
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3531
16:50
Midway, Chicago (MDW)

19:10
Los Angeles (LAX) 1
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3531
17:25
Kansas City (MCI)

19:20
Austin (AUS)
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3531
19:55
Austin (AUS)

21:05
Harlingen (HRL)
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3531
19:55
Nashville (BNA)

23:15
New York LaGuardia (LGA) B
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3531
19:55
Nashville (BNA)

23:15
New York LaGuardia (LGA) B
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3531
19:55
Nashville (BNA)

23:15
New York LaGuardia (LGA) B
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3531
19:55
Nashville (BNA)

23:15
New York LaGuardia (LGA) B
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3531
19:55
Nashville (BNA)

23:15
New York LaGuardia (LGA) B
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3531
21:25
Austin (AUS)

22:35
Harlingen (HRL)
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3531
21:25
Austin (AUS)

22:35
Harlingen (HRL)
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (73W)
Non-Direct Flights:
Southwest Airlines WN3531
14:30
Philadelphia (PHL) E

18:35
Los Angeles (LAX) 1
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 7:05, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN3531
17:25
Kansas City (MCI)

21:05
Harlingen (HRL)
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:40, 1-stop
Boeing 737-700 (73W)
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Parallax here
This flight number is listed as serving the following routes:
  • Albuquerque (ABQ) - Nashville (BNA)
  • Austin (AUS) - Harlingen (HRL)
  • Kansas City (MCI) - Austin (AUS)
  • Kansas City (MCI) - Harlingen (HRL)
  • Kansas City (MCI) - New York LaGuardia (LGA)
  • Miami (MIA) - Nashville (BNA)
  • Midway, Chicago (MDW) - Los Angeles (LAX)
  • Nashville (BNA) - New York LaGuardia (LGA)
  • New York LaGuardia (LGA) - Houston Hobby (HOU)
  • Philadelphia (PHL) - Los Angeles (LAX)
  • Philadelphia (PHL) - Midway, Chicago (MDW)
All Southwest Airlines flights
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