Southwest Airlines
flight
WN 403:
Multiple routes
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN403
Effective 2026-01-11 through 2026-01-16
Mon
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Tue
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Wed
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Thu
Fri
Sat
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Sun
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN403
Effective 2026-01-19 through 2026-01-25
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: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN403
Effective 2026-02-01 through 2026-02-06
Mon
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Tue
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Wed
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Thu
Fri
Sat
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Sun
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN403
Effective 2026-02-09 through 2026-02-15
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: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN403
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
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Thu
Fri
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Sat
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Sun
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Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN403
Operates only on 2026-03-02
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
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Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN403
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: 2:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN403
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: 1:40, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN403
Effective 2026-02-14 through 2026-02-28
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: 3:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN403
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: 1:40, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN403
Effective 2026-06-09 through 2026-07-29
Mon
-
-
Tue
Wed
Thu
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-
Fri
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-
Sat
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-
Sun
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-
Duration: 2:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN403
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
-
Wed
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-
Thu
Fri
Sat
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-
Sun
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-
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN403
Effective 2026-01-10 through 2026-01-31
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: 4:25, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN403
Operates only on 2026-02-07
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: 4:25, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN403
Operates only on 2026-01-05
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
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Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN403
Effective 2026-08-04 through 2026-09-30
Mon
-
-
Tue
Wed
Thu
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Fri
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-
Sat
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Sun
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-
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN403
Effective 2026-08-08 through 2026-09-26
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: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN403
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: 2:20, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN403
Effective 2026-02-12 through 2026-02-16
Mon
Tue
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-
Wed
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-
Thu
Fri
Sat
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-
Sun
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-
Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN403
Effective 2026-02-20 through 2026-03-01
Mon
-
-
Tue
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Wed
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Thu
Fri
Sat
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-
Sun
Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN403
Valid until 2026-01-01
Mon
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Tue
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Wed
Thu
Fri
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-
Sat
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Sun
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Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN403
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: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN403
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
-
Wed
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-
Thu
Fri
Sat
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-
Sun
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-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN403
Effective 2026-04-11 through 2026-05-30
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: 2:35, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN403
Effective 2026-04-07 through 2026-06-03
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 WN403
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
-
-
Sun
Duration: 1:25, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN403
Valid until 2026-01-01
Mon
-
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Tue
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Wed
Thu
Fri
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-
Sat
-
-
Sun
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-
Duration: 3:35, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN403
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
-
Wed
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-
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN403
Effective 2026-03-10 through 2026-04-01
Mon
-
-
Tue
Wed
Thu
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-
Fri
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-
Sat
-
-
Sun
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-
Duration: 1:00, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN403
Valid until 2026-01-04
Mon
Tue
Wed
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-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 1:20, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN403
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: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN403
Effective 2026-04-09 through 2026-06-01
Mon
Tue
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-
Wed
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-
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 2:25, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN403
Effective 2026-04-12 through 2026-05-17
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)
The flight arrives 1 day after departure.
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Flights:
Southwest Airlines WN403
Operates only on 2026-05-31
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)
The flight arrives 1 day after departure.
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Non-Direct Flights:
Southwest Airlines WN403
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: 5:00, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN403
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: 4:50, 1-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN403
Valid until 2026-01-01
Mon
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Tue
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Wed
Thu
Fri
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Sat
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Sun
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Duration: 6:30, 1-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
This flight number is listed as serving the following routes:
- Albuquerque (ABQ) - Phoenix Sky Harbor (PHX)
- Atlanta (ATL) - Kansas City (MCI)
- Atlanta (ATL) - Los Angeles (LAX)
- Austin (AUS) - Chicago Midway (MDW)
- Austin (AUS) - New Orleans (MSY)
- Austin (AUS) - Phoenix Sky Harbor (PHX)
- Austin (AUS) - Salt Lake City (SLC)
- Baltimore (BWI) - Boston Logan (BOS)
- Buffalo (BUF) - Orlando (MCO)
- Charleston (CHS) - Chicago Midway (MDW)
- Fort Myers (RSW) - Orlando (MCO)
- Indianapolis (IND) - Denver (DEN)
- Kansas City (MCI) - Los Angeles (LAX)
- Luis Munoz Marin, San Juan (SJU) - Baltimore (BWI)
- Nashville (BNA) - Miami (MIA)
- Phoenix Sky Harbor (PHX) - Kansas City (MCI)
- Salt Lake City (SLC) - Kansas City (MCI)
- Salt Lake City (SLC) - Phoenix Sky Harbor (PHX)
- Tucson (TUS) - Las Vegas Harry Reid (LAS)