Southwest Airlines flight WN 3731: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sun 06:50 Long Beach (LGB) 12:55 Midway, Chicago (MDW)
WN 3731 Non-stop Boeing 737-800 (73H) 4:05 Valid until 2025-05-18
Sun 06:50 Long Beach (LGB) 12:55 Midway, Chicago (MDW)
WN 3731 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Operates only on 2025-05-25
Sun 06:50 Long Beach (LGB) 12:55 Midway, Chicago (MDW)
WN 3731 Non-stop Boeing 737-800 (73H) 4:05 Operates only on 2025-06-01
Sat 09:50 Midway, Chicago (MDW) 12:45 Albany (ALB)
WN 3731 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2025-11-22 through 2025-11-29
Sat 09:50 Midway, Chicago (MDW) 12:45 Albany (ALB)
WN 3731 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2025-12-20 through 2026-01-03
Sat 12:20 Phoenix Sky Harbor (PHX) 4 12:35 Las Vegas Harry Reid (LAS) 1
WN 3731 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-11-08 through 2025-11-15
Sat 12:20 Phoenix Sky Harbor (PHX) 4 12:35 Las Vegas Harry Reid (LAS) 1
WN 3731 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-12-06 through 2025-12-13
Sun 13:00 Luis Munoz Marin, San Juan (SJU) B 16:10 Orlando (MCO)
WN 3731 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2025-06-08 through 2025-08-03
Sat 13:25 Luis Munoz Marin, San Juan (SJU) B 16:35 Orlando (MCO)
WN 3731 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2025-06-07 through 2025-08-02
Tue,Wed 13:25 Luis Munoz Marin, San Juan (SJU) B 16:35 Orlando (MCO)
WN 3731 Non-stop Boeing 737-700 (73W) 3:10 Effective 2025-06-10 through 2025-07-30
Sat 13:25 Albany (ALB) 16:35 Tampa (TPA)
WN 3731 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2025-11-22 through 2025-11-29
Sat 13:25 Albany (ALB) 16:35 Tampa (TPA)
WN 3731 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2025-12-20 through 2026-01-03
Mon,Thu,Fri 13:30 Luis Munoz Marin, San Juan (SJU) B 16:45 Orlando (MCO)
WN 3731 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 13:30 Luis Munoz Marin, San Juan (SJU) B 16:45 Orlando (MCO)
WN 3731 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Effective 2025-07-07 through 2025-08-04
Fri 16:10 Luis Munoz Marin, San Juan (SJU) B 19:20 Orlando (MCO)
WN 3731 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Operates only on 2025-07-04
Sun 17:05 Orlando (MCO) 18:50 Love Field, Dallas (DAL) 1
WN 3731 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2025-06-08 through 2025-08-03
Sun 19:30 Love Field, Dallas (DAL) 1 20:10 El Paso (ELP)
WN 3731 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2025-06-08 through 2025-08-03
Sun 22:15 Houston Hobby (HOU) 22:40 Tucson (TUS)
WN 3731 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2025-08-10 through 2025-08-24
Sun 22:15 Houston Hobby (HOU) 22:40 Tucson (TUS)
WN 3731 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2025-09-07 through 2025-09-28
Non-Direct Flights:
Sat 09:50 Midway, Chicago (MDW) 16:35 Tampa (TPA)
WN 3731 1-stop Boeing 737 MAX 8 (7M8) 5:45 Effective 2025-11-22 through 2025-11-29
Sat 09:50 Midway, Chicago (MDW) 16:35 Tampa (TPA)
WN 3731 1-stop Boeing 737 MAX 8 (7M8) 5:45 Effective 2025-12-20 through 2026-01-03
Sun 13:00 Luis Munoz Marin, San Juan (SJU) B 18:50 Love Field, Dallas (DAL) 1
WN 3731 1-stop Boeing 737 MAX 8 (7M8) 6:50 Effective 2025-06-08 through 2025-08-03
Sun 17:05 Orlando (MCO) 20:10 El Paso (ELP)
WN 3731 1-stop Boeing 737 MAX 8 (7M8) 5:05 Effective 2025-06-08 through 2025-08-03
Sun 13:00 Luis Munoz Marin, San Juan (SJU) B 20:10 El Paso (ELP)
WN 3731 2-stop Boeing 737 MAX 8 (7M8) 9:10 Effective 2025-06-08 through 2025-08-03
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This flight number is listed as serving the following routes:
Southwest Airlines flight WN 3731: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Southwest Airlines WN3731
Valid until 2025-05-18
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
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Sun
Duration: 4:05, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3731
Operates only on 2025-05-25
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
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Sun
Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3731
Operates only on 2025-06-01
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
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Sun
Duration: 4:05, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3731
Effective 2025-11-22 through 2025-11-29
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3731
Effective 2025-12-20 through 2026-01-03
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
-
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3731
Effective 2025-11-08 through 2025-11-15
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN3731
Effective 2025-12-06 through 2025-12-13
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN3731
Effective 2025-06-08 through 2025-08-03
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
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Sun
Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3731
Effective 2025-06-07 through 2025-08-02
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3731
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN3731
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
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Sat
Sun
-
Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3731
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3731
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3731
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3731
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3731
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
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Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3731
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
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Thu
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Fri
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Sat
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Sun
Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3731
Effective 2025-08-10 through 2025-08-24
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
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Sun
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3731
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
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Wed
-
Thu
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Fri
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Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN3731
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
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Wed
-
Thu
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Fri
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Sat
Sun
-
Duration: 5:45, 1-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3731
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:45, 1-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3731
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
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Wed
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Thu
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Fri
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Sat
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Sun
Duration: 6:50, 1-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3731
Effective 2025-06-08 through 2025-08-03
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
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Sun
Duration: 5:05, 1-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3731
Effective 2025-06-08 through 2025-08-03
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
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Sun
Duration: 9:10, 2-stop
Boeing 737 MAX 8 (7M8)
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This flight number is listed as serving the following routes:
  • Albany (ALB) - Tampa (TPA)
  • Houston Hobby (HOU) - Tucson (TUS)
  • Long Beach (LGB) - Midway, Chicago (MDW)
  • Love Field, Dallas (DAL) - El Paso (ELP)
  • Luis Munoz Marin, San Juan (SJU) - El Paso (ELP)
  • Luis Munoz Marin, San Juan (SJU) - Love Field, Dallas (DAL)
  • Luis Munoz Marin, San Juan (SJU) - Orlando (MCO)
  • Midway, Chicago (MDW) - Albany (ALB)
  • Midway, Chicago (MDW) - Tampa (TPA)
  • Orlando (MCO) - El Paso (ELP)
  • Orlando (MCO) - Love Field, Dallas (DAL)
  • Phoenix Sky Harbor (PHX) - Las Vegas Harry Reid (LAS)