Southwest Airlines
flight
WN 646:
Multiple routes
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN646
Effective 2026-04-09 through 2026-06-01
Mon
Tue
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Wed
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Thu
Fri
Sat
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Sun
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Duration: 2:10, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN646
Effective 2026-04-11 through 2026-05-23
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: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN646
Effective 2026-05-30 through 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
Sun
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN646
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: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN646
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: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN646
Valid until 2026-01-05
Mon
Tue
Wed
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-
Thu
-
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Fri
Sat
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-
Sun
Duration: 2:45, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN646
Effective 2026-03-07 through 2026-04-04
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: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN646
Effective 2026-03-10 through 2026-04-01
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: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN646
Effective 2026-03-05 through 2026-04-06
Mon
Tue
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Wed
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Thu
Fri
Sat
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-
Sun
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-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN646
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: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN646
Effective 2026-08-04 through 2026-09-29
Mon
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Tue
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: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN646
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: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN646
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: 4:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN646
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: 4:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN646
Valid until 2026-01-01
Mon
-
-
Tue
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-
Wed
Thu
Fri
-
-
Sat
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-
Sun
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-
Duration: 2:45, non-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Direct Flights:
Southwest Airlines WN646
Effective 2026-01-10 through 2026-02-07
Mon
-
-
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: 1:00, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN646
Effective 2026-02-10 through 2026-02-11
Mon
-
-
Tue
Wed
Thu
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-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN646
Effective 2026-02-18 through 2026-03-04
Mon
-
-
Tue
Wed
Thu
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-
Fri
-
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Sat
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-
Sun
-
-
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN646
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 1:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN646
Effective 2026-01-18 through 2026-01-23
Mon
-
-
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Duration: 1:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN646
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 1:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN646
Operates only on 2026-02-08
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: 1:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN646
Effective 2026-08-05 through 2026-09-30
Mon
-
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Tue
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Wed
Thu
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Fri
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-
Sat
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-
Sun
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-
Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN646
Effective 2026-01-10 through 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: 3:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN646
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN646
Effective 2026-01-18 through 2026-01-23
Mon
-
-
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN646
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN646
Operates only on 2026-02-08
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: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN646
Effective 2026-02-10 through 2026-02-11
Mon
-
-
Tue
Wed
Thu
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-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN646
Effective 2026-02-18 through 2026-03-04
Mon
-
-
Tue
Wed
Thu
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-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN646
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: 3:10, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN646
Effective 2026-06-09 through 2026-07-29
Mon
-
-
Tue
Wed
Thu
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-
Fri
-
-
Sat
-
-
Sun
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-
Duration: 1:20, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN646
Effective 2026-03-08 through 2026-04-05
Mon
-
-
Tue
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Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN646
Effective 2026-02-14 through 2026-02-28
Mon
-
-
Tue
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Wed
-
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Thu
-
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Fri
-
-
Sat
Sun
-
-
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN646
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
-
Wed
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-
Thu
Fri
Sat
-
-
Sun
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-
Duration: 1:35, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN646
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: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN646
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: 3:10, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN646
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: 7:10, 1-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN646
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: 7:10, 1-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN646
Effective 2026-01-10 through 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: 4:50, 1-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN646
Effective 2026-02-10 through 2026-02-11
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 4:10, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN646
Effective 2026-02-18 through 2026-03-04
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 4:10, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN646
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 4:00, 1-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN646
Effective 2026-01-18 through 2026-01-23
Mon
-
-
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Duration: 4:00, 1-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN646
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 4:00, 1-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN646
Operates only on 2026-02-08
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: 4:00, 1-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here
This flight number is listed as serving the following routes:
- Austin (AUS) - Los Angeles (LAX)
- Chicago Midway (MDW) - Cleveland (CLE)
- Dallas Love Field (DAL) - Baltimore (BWI)
- Houston Hobby (HOU) - San Jose (SJC)
- Los Angeles (LAX) - Kansas City (MCI)
- Louisville (SDF) - Denver (DEN)
- Louisville (SDF) - Orlando (MCO)
- Nashville (BNA) - Denver (DEN)
- Nashville (BNA) - Houston Hobby (HOU)
- Nashville (BNA) - Louisville (SDF)
- Nashville (BNA) - Orlando (MCO)
- Nashville (BNA) - Pittsburgh (PIT)
- Nashville (BNA) - San Jose (SJC)
- New Orleans (MSY) - Baltimore (BWI)
- Orlando (MCO) - Luis Munoz Marin, San Juan (SJU)
- San Jose (SJC) - Ontario, Los Angeles (ONT)