Southwest Airlines flight WN 400: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Tue,Wed 07:20 Austin (AUS) 08:20 Houston Hobby (HOU)
WN 400 Non-stop Boeing 737 MAX 8 (7M8) 1:00 Effective 2025-08-05 through 2025-10-01
Sat 09:00 Austin (AUS) 10:00 Houston Hobby (HOU)
WN 400 Non-stop Boeing 737 MAX 8 (7M8) 1:00 Effective 2025-08-09 through 2025-09-27
Mon-Fri 09:20 Las Vegas Harry Reid (LAS) 1 12:50 Lihue (LIH)
WN 400 Non-stop Boeing 737 MAX 8 (7M8) 6:30 Effective 2025-10-02 through 2025-10-31
Sun 09:25 Las Vegas Harry Reid (LAS) 1 12:55 Lihue (LIH)
WN 400 Non-stop Boeing 737 MAX 8 (7M8) 6:30 Effective 2025-10-05 through 2025-10-26
Sat 09:30 Las Vegas Harry Reid (LAS) 1 13:00 Lihue (LIH)
WN 400 Non-stop Boeing 737 MAX 8 (7M8) 6:30 Effective 2025-10-04 through 2025-11-01
Sun 10:00 Austin (AUS) 11:00 Houston Hobby (HOU)
WN 400 Non-stop Boeing 737-700 (73W) 1:00 Operates only on 2025-08-31
Tue,Wed 10:30 Tampa (TPA) 12:00 Atlanta (ATL) N
WN 400 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-11-04 through 2025-11-12
Mon-Thu 10:30 Tampa (TPA) 12:00 Atlanta (ATL) N
WN 400 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-11-17 through 2025-11-20
Mon-Fri 10:30 Tampa (TPA) 12:00 Atlanta (ATL) N
WN 400 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-12-02 through 2025-12-11
Mon-Wed 10:30 Tampa (TPA) 12:00 Atlanta (ATL) N
WN 400 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-12-15 through 2025-12-17
Wed,Thu 10:30 Tampa (TPA) 12:00 Atlanta (ATL) N
WN 400 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-12-24 through 2026-01-01
Tue,Wed 11:05 Orlando (MCO) 13:20 Baltimore (BWI)
WN 400 Non-stop Boeing 737-800 (73H) 2:15 Valid until 2025-06-04
Thu 11:15 Phoenix Sky Harbor (PHX) 4 14:30 Austin (AUS)
WN 400 Non-stop Boeing 737-800 (73H) 2:15 Operates only on 2025-11-27
Sun 11:30 Austin (AUS) 12:30 Houston Hobby (HOU)
WN 400 Non-stop Boeing 737 MAX 8 (7M8) 1:00 Effective 2025-08-10 through 2025-08-24
Sun 11:30 Austin (AUS) 12:30 Houston Hobby (HOU)
WN 400 Non-stop Boeing 737 MAX 8 (7M8) 1:00 Effective 2025-09-07 through 2025-09-28
Mon,Thu,Fri 12:10 Orlando (MCO) 14:25 Baltimore (BWI)
WN 400 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Valid until 2025-06-02
Sun 13:55 Orlando (MCO) 16:10 Baltimore (BWI)
WN 400 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Valid until 2025-05-18
Sun 13:55 Orlando (MCO) 16:10 Baltimore (BWI)
WN 400 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Operates only on 2025-06-01
Sun 14:30 Houston Hobby (HOU) 17:35 Tampa (TPA)
WN 400 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Operates only on 2025-11-30
Sat 14:50 Baltimore (BWI) 16:10 John Glenn Columbus (CMH)
WN 400 Non-stop Boeing 737-700 (73W) 1:20 Effective 2025-06-07 through 2025-08-02
Fri 15:35 Atlanta (ATL) N 17:10 Indianapolis (IND)
WN 400 Non-stop Boeing 737-700 (73W) 1:35 Operates only on 2025-07-04
Sun 16:25 Atlanta (ATL) N 17:55 Indianapolis (IND)
WN 400 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2025-06-08 through 2025-08-03
Sat 16:45 John Glenn Columbus (CMH) 19:10 Fort Myers (RSW)
WN 400 Non-stop Boeing 737-700 (73W) 2:25 Effective 2025-06-07 through 2025-08-02
Sat 17:15 Tampa (TPA) 18:50 Atlanta (ATL) N
WN 400 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-11-08 through 2025-11-15
Sat 17:15 Tampa (TPA) 18:50 Atlanta (ATL) N
WN 400 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-12-06 through 2025-12-13
Mon,Thu,Fri 17:20 Atlanta (ATL) N 18:50 Indianapolis (IND)
WN 400 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 17:20 Atlanta (ATL) N 18:50 Indianapolis (IND)
WN 400 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2025-07-07 through 2025-08-04
Mon,Thu,Fri,Sun 17:20 Tampa (TPA) 18:55 Atlanta (ATL) N
WN 400 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 17:20 Tampa (TPA) 18:55 Atlanta (ATL) N
WN 400 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2025-11-21 through 2025-11-28
Fri,Sun 17:20 Tampa (TPA) 18:55 Atlanta (ATL) N
WN 400 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2025-12-07 through 2025-12-14
Thu 17:20 Tampa (TPA) 18:55 Atlanta (ATL) N
WN 400 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Operates only on 2025-12-18
Mon 17:20 Tampa (TPA) 18:55 Atlanta (ATL) N
WN 400 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Operates only on 2026-01-05
Tue,Wed 17:35 Atlanta (ATL) N 19:05 Indianapolis (IND)
WN 400 Non-stop Boeing 737-700 (73W) 1:30 Effective 2025-06-10 through 2025-07-30
Tue,Wed,Sat 18:10 Tampa (TPA) 19:45 Atlanta (ATL) N
WN 400 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2025-11-22 through 2025-11-29
Sun 18:10 Tampa (TPA) 19:45 Atlanta (ATL) N
WN 400 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Operates only on 2025-11-30
Mon 18:10 Tampa (TPA) 19:45 Atlanta (ATL) N
WN 400 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Operates only on 2025-12-01
Mon,Tue,Fri-Sun 18:10 Tampa (TPA) 19:45 Atlanta (ATL) N
WN 400 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2025-12-19 through 2026-01-04
Sun 20:20 Atlanta (ATL) N 22:05 Baltimore (BWI)
WN 400 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Operates only on 2025-11-30
Non-Direct Flights:
Sun 14:30 Houston Hobby (HOU) 19:45 Atlanta (ATL) N
WN 400 1-stop Boeing 737-700 (Scimitar Winglets) 4:15 Operates only on 2025-11-30
Sat 14:50 Baltimore (BWI) 19:10 Fort Myers (RSW)
WN 400 1-stop Boeing 737-700 (73W) 4:20 Effective 2025-06-07 through 2025-08-02
Sun 18:10 Tampa (TPA) 22:05 Baltimore (BWI)
WN 400 1-stop Boeing 737-700 (Scimitar Winglets) 3:55 Operates only on 2025-11-30
Sun 14:30 Houston Hobby (HOU) 22:05 Baltimore (BWI)
WN 400 2-stop Boeing 737-700 (Scimitar Winglets) 6:35 Operates only on 2025-11-30
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This flight number is listed as serving the following routes:
Southwest Airlines flight WN 400: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Southwest Airlines WN400
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:00, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN400
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:00, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN400
Effective 2025-10-02 through 2025-10-31
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 6:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN400
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN400
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN400
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:00, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN400
10:30

12:00
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN400
10:30

12:00
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN400
10:30

12:00
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN400
10:30

12:00
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN400
10:30

12:00
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN400
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN400
Operates only on 2025-11-27
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN400
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:00, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN400
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:00, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN400
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN400
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN400
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN400
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN400
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN400
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN400
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN400
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:25, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN400
17:15

18:50
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN400
17:15

18:50
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN400
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN400
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN400
17:20

18:55
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN400
17:20

18:55
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN400
17:20

18:55
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN400
17:20

18:55
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN400
17:20

18:55
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN400
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN400
18:10

19:45
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN400
18:10

19:45
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN400
18:10

19:45
Operates only on 2025-12-01
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN400
18:10

19:45
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN400
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN400
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:15, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN400
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:20, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN400
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:55, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN400
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:35, 2-stop
Boeing 737-700 (Scimitar Winglets)
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This flight number is listed as serving the following routes:
  • Atlanta (ATL) - Baltimore (BWI)
  • Atlanta (ATL) - Indianapolis (IND)
  • Austin (AUS) - Houston Hobby (HOU)
  • Baltimore (BWI) - Fort Myers (RSW)
  • Baltimore (BWI) - John Glenn Columbus (CMH)
  • Houston Hobby (HOU) - Atlanta (ATL)
  • Houston Hobby (HOU) - Baltimore (BWI)
  • Houston Hobby (HOU) - Tampa (TPA)
  • John Glenn Columbus (CMH) - Fort Myers (RSW)
  • Las Vegas Harry Reid (LAS) - Lihue (LIH)
  • Orlando (MCO) - Baltimore (BWI)
  • Phoenix Sky Harbor (PHX) - Austin (AUS)
  • Tampa (TPA) - Atlanta (ATL)
  • Tampa (TPA) - Baltimore (BWI)