Southwest Airlines
flight
WN 3121:
Multiple routes
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN3121
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: 1:50, non-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN3121
Effective 2025-09-07 through 2025-09-28
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
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Sun
Duration: 1:50, non-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN3121
Operates only on 2025-07-04
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
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Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3121
Effective 2025-06-05 through 2025-07-03
Mon
Tue
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Wed
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Thu
Fri
Sat
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Sun
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Duration: 1:25, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Southwest Airlines WN3121
Effective 2025-07-07 through 2025-08-04
Mon
Tue
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Wed
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Thu
Fri
Sat
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Sun
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Duration: 1:25, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Southwest Airlines WN3121
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: 1:30, non-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN3121
Effective 2025-09-07 through 2025-09-28
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
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Sun
Duration: 1:30, non-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN3121
Operates only on 2025-07-04
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
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Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3121
Effective 2025-08-07 through 2025-09-29
Mon
Tue
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Wed
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Thu
Fri
Sat
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Sun
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Duration: 2:30, non-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN3121
Effective 2025-08-09 through 2025-09-27
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
Sun
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Duration: 2:15, non-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN3121
Operates only on 2025-08-31
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: 1:30, non-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN3121
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: 1:30, non-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN3121
Effective 2025-09-07 through 2025-09-28
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
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Sun
Duration: 1:30, non-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN3121
Effective 2025-06-05 through 2025-07-03
Mon
Tue
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Wed
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Thu
Fri
Sat
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Sun
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Duration: 2:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Southwest Airlines WN3121
Effective 2025-07-07 through 2025-08-04
Mon
Tue
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Wed
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Thu
Fri
Sat
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Sun
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Duration: 2:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Southwest Airlines WN3121
Effective 2025-10-05 through 2025-10-26
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
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Sun
Duration: 2:45, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Southwest Airlines WN3121
Effective 2025-08-07 through 2025-09-29
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 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN3121
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: 2:35, non-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN3121
Effective 2025-09-07 through 2025-09-28
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
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Sun
Duration: 2:35, non-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN3121
Effective 2025-08-09 through 2025-09-27
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
Sun
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Duration: 2:35, non-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN3121
Effective 2025-10-04 through 2025-11-01
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: 2:45, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Southwest Airlines WN3121
Effective 2025-08-05 through 2025-10-01
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: 2:35, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Southwest Airlines WN3121
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: 1:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3121
Effective 2025-06-10 through 2025-07-30
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: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3121
Effective 2025-10-07 through 2025-10-29
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: 2:45, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Southwest Airlines WN3121
Effective 2025-10-02 through 2025-10-31
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)
Southwest Airlines WN3121
Effective 2025-11-02 through 2025-11-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:25, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Southwest Airlines WN3121
Effective 2025-11-23 through 2025-11-30
Mon
Tue
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Wed
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Thu
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Fri
Sat
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Sun
Duration: 3:25, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Southwest Airlines WN3121
Effective 2025-12-02 through 2025-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:25, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Southwest Airlines WN3121
Effective 2025-12-24 through 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: 3:25, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Southwest Airlines WN3121
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: 3:25, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Non-Direct Flights:
Southwest Airlines WN3121
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: 3:55, 1-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN3121
Effective 2025-09-07 through 2025-09-28
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
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Sun
Duration: 3:55, 1-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN3121
Operates only on 2025-07-04
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
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Duration: 4:50, 1-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3121
Effective 2025-06-05 through 2025-07-03
Mon
Tue
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Wed
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Thu
Fri
Sat
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Sun
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Duration: 4:40, 1-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Southwest Airlines WN3121
Effective 2025-07-07 through 2025-08-04
Mon
Tue
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Wed
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Thu
Fri
Sat
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Sun
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Duration: 4:40, 1-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Southwest Airlines WN3121
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: 3:35, 1-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN3121
Effective 2025-09-07 through 2025-09-28
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
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Sun
Duration: 3:35, 1-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN3121
Effective 2025-08-07 through 2025-09-29
Mon
Tue
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Wed
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Thu
Fri
Sat
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Sun
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Duration: 5:40, 1-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN3121
Effective 2025-08-09 through 2025-09-27
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
Sun
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Duration: 5:25, 1-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN3121
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: 4:40, 1-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN3121
Effective 2025-09-07 through 2025-09-28
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
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Sun
Duration: 4:40, 1-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN3121
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: 6:00, 2-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN3121
Effective 2025-09-07 through 2025-09-28
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
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Sun
Duration: 6:00, 2-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN3121
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: 6:45, 2-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN3121
Effective 2025-09-07 through 2025-09-28
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
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Sun
Duration: 6:45, 2-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN3121
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: 9:10, 3-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN3121
Effective 2025-09-07 through 2025-09-28
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
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Sun
Duration: 9:10, 3-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here
This flight number is listed as serving the following routes:
- Atlanta (ATL) - Love Field, Dallas (DAL)
- Atlanta (ATL) - New Orleans (MSY)
- Atlanta (ATL) - Phoenix Sky Harbor (PHX)
- Baltimore (BWI) - Atlanta (ATL)
- Baltimore (BWI) - Love Field, Dallas (DAL)
- Baltimore (BWI) - New Orleans (MSY)
- Baltimore (BWI) - Phoenix Sky Harbor (PHX)
- Indianapolis (IND) - Denver (DEN)
- John Glenn Columbus (CMH) - Love Field, Dallas (DAL)
- John Glenn Columbus (CMH) - Phoenix Sky Harbor (PHX)
- Las Vegas Harry Reid (LAS) - Nashville (BNA)
- Las Vegas Harry Reid (LAS) - Ontario, Los Angeles (ONT)
- Love Field, Dallas (DAL) - Phoenix Sky Harbor (PHX)
- Midway, Chicago (MDW) - Love Field, Dallas (DAL)
- Midway, Chicago (MDW) - Phoenix Sky Harbor (PHX)
- New Orleans (MSY) - Love Field, Dallas (DAL)
- New Orleans (MSY) - Phoenix Sky Harbor (PHX)
- Portland (PDX) - Denver (DEN)
- Sacramento (SMF) - Denver (DEN)
- Sacramento (SMF) - Portland (PDX)