Southwest Airlines
flight
WN 4456:
Multiple routes
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4456
Effective 2026-06-06 through 2026-08-01
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
Sun
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Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4456
Effective 2026-06-04 through 2026-08-03
Mon
Tue
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Wed
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Thu
Fri
Sat
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Sun
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Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4456
Effective 2026-06-07 through 2026-08-02
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
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Sun
Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4456
Effective 2026-06-09 through 2026-07-29
Mon
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Tue
Wed
Thu
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Fri
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Sat
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Sun
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Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4456
Operates only on 2026-05-24
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: 2:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4456
Effective 2026-03-07 through 2026-04-05
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: 3:15, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4456
Effective 2026-01-02 through 2026-01-04
Mon
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Tue
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Wed
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Thu
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Fri
Sat
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Sun
Duration: 2:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4456
Effective 2026-01-02 through 2026-01-04
Mon
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Tue
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Wed
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Thu
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Fri
Sat
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Sun
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4456
Valid until 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
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Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4456
Effective 2026-08-04 through 2026-09-30
Mon
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Tue
Wed
Thu
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Fri
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Sat
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Sun
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Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4456
Operates only on 2026-02-06
Mon
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Tue
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Wed
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Thu
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Fri
Sat
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Sun
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Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4456
Effective 2026-08-06 through 2026-09-28
Mon
Tue
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Wed
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Thu
Fri
Sat
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Sun
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Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4456
Effective 2026-08-09 through 2026-09-27
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: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN4456
Effective 2026-01-02 through 2026-01-04
Mon
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Tue
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Wed
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Thu
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Fri
Sat
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Sun
Duration: 4:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
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Parallax here
This flight number is listed as serving the following routes:
- Austin (AUS) - Palm Springs (PSP)
- Houston Hobby (HOU) - Denver (DEN)
- Houston Hobby (HOU) - Kansas City (MCI)
- Kansas City (MCI) - Denver (DEN)
- Orlando (MCO) - Indianapolis (IND)
- Phoenix Sky Harbor (PHX) - Portland (PDX)
- Saint Louis (STL) - Atlanta (ATL)