Southwest Airlines
flight
WN 878:
Multiple routes
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN878
Valid until 2025-05-31
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 4:10, non-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN878
Effective 2025-10-04 through 2025-11-01
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 3:05, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Southwest Airlines WN878
Effective 2025-10-05 through 2025-10-26
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 3:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2025-11-27
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-10-07 through 2025-10-29
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 3:05, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Southwest Airlines WN878
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)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
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)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
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)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
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)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
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)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-12-07 through 2025-12-14
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2025-12-18
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2026-01-05
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-11-22 through 2025-11-29
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-12-20 through 2026-01-03
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2025-11-30
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 2:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Southwest Airlines WN878
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 2:10, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Southwest Airlines WN878
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 2:10, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Southwest Airlines WN878
Effective 2025-11-04 through 2025-11-12
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-12-24 through 2026-01-01
Mon
-
-
Tue
-
-
Wed
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-06-10 through 2025-07-30
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:20, non-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN878
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:25, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Southwest Airlines WN878
Effective 2025-12-07 through 2025-12-14
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2025-12-18
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 1:25, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Southwest Airlines WN878
Operates only on 2026-01-05
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-11-22 through 2025-11-29
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-12-20 through 2026-01-03
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-06-10 through 2025-07-30
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:10, non-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN878
Valid until 2025-05-02
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN878
Valid until 2025-05-31
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 1:30, non-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN878
Effective 2025-05-05 through 2025-06-02
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN878
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-12-07 through 2025-12-14
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2025-12-18
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2026-01-05
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Valid until 2025-05-31
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 2:45, non-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN878
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 3:00, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Southwest Airlines WN878
Effective 2025-08-09 through 2025-09-27
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 1:05, non-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN878
Valid until 2025-06-04
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:30, non-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN878
Effective 2025-06-10 through 2025-07-30
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:30, non-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN878
Effective 2025-11-08 through 2025-11-15
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 2:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Southwest Airlines WN878
Effective 2025-12-06 through 2025-12-13
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 2:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Southwest Airlines WN878
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-12-07 through 2025-12-14
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2025-12-18
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2026-01-05
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 1:40, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Southwest Airlines WN878
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 1:40, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Southwest Airlines WN878
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 1:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN878
Operates only on 2025-07-04
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
-
-
Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN878
Operates only on 2025-08-31
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 1:50, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Southwest Airlines WN878
Effective 2025-06-10 through 2025-07-30
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:40, non-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN878
Effective 2025-08-05 through 2025-10-01
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:50, non-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN878
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN878
Effective 2025-08-10 through 2025-08-24
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 1:50, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Southwest Airlines WN878
Effective 2025-09-07 through 2025-09-28
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 1:50, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Southwest Airlines WN878
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-12-07 through 2025-12-14
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2025-12-18
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2026-01-05
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN878
Valid until 2025-05-31
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 6:20, 1-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN878
Effective 2025-11-04 through 2025-11-12
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 3:30, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 3:30, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 3:30, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 3:30, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-12-24 through 2026-01-01
Mon
-
-
Tue
-
-
Wed
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 3:30, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 4:30, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 4:30, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-12-07 through 2025-12-14
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 4:30, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2025-12-18
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 4:30, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2026-01-05
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 4:30, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-11-22 through 2025-11-29
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 4:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-12-20 through 2026-01-03
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 4:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 4:15, 1-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Southwest Airlines WN878
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 4:15, 1-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Southwest Airlines WN878
Effective 2025-06-10 through 2025-07-30
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 3:10, 1-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN878
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 3:30, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 3:30, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-12-07 through 2025-12-14
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 3:30, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2025-12-18
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 3:30, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2026-01-05
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 3:30, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-06-10 through 2025-07-30
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 3:15, 1-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN878
Valid until 2025-05-31
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 4:50, 1-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN878
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 4:30, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 4:30, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-12-07 through 2025-12-14
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 4:30, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2025-12-18
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 4:30, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2026-01-05
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 4:30, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-06-10 through 2025-07-30
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 3:50, 1-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN878
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 4:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 4:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-12-07 through 2025-12-14
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 4:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2025-12-18
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 4:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2026-01-05
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 4:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 3:45, 1-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN878
Valid until 2025-05-31
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 9:40, 2-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN878
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 6:35, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 6:35, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-12-07 through 2025-12-14
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 6:35, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2025-12-18
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 6:35, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2026-01-05
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 6:35, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-06-10 through 2025-07-30
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 5:15, 2-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN878
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 6:35, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 6:35, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-12-07 through 2025-12-14
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 6:35, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2025-12-18
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 6:35, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2026-01-05
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 6:35, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-06-10 through 2025-07-30
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 5:35, 2-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN878
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 6:25, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 6:25, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-12-07 through 2025-12-14
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 6:25, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2025-12-18
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 6:25, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2026-01-05
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 6:25, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 9:40, 3-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 9:40, 3-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-12-07 through 2025-12-14
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 9:40, 3-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2025-12-18
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 9:40, 3-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2026-01-05
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 9:40, 3-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-06-10 through 2025-07-30
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 7:35, 3-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Southwest Airlines WN878
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 8:30, 3-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 8:30, 3-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-12-07 through 2025-12-14
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 8:30, 3-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2025-12-18
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 8:30, 3-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2026-01-05
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 8:30, 3-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 11:35, 4-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 11:35, 4-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Effective 2025-12-07 through 2025-12-14
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 11:35, 4-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2025-12-18
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 11:35, 4-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN878
Operates only on 2026-01-05
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 11:35, 4-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
This flight number is listed as serving the following routes:
- Albuquerque (ABQ) - Denver (DEN)
- Albuquerque (ABQ) - Kansas City (MCI)
- Austin (AUS) - Lubbock (LBB)
- Burbank (BUR) - San Jose (SJC)
- Denver (DEN) - Kansas City (MCI)
- Denver (DEN) - Midway, Chicago (MDW)
- Denver (DEN) - Omaha (OMA)
- Houston Hobby (HOU) - Midway, Chicago (MDW)
- Houston Hobby (HOU) - Omaha (OMA)
- Kansas City (MCI) - Fort Myers (RSW)
- Kansas City (MCI) - Raleigh/Durham (RDU)
- Kansas City (MCI) - Saint Louis (STL)
- Las Vegas Harry Reid (LAS) - Albuquerque (ABQ)
- Las Vegas Harry Reid (LAS) - Denver (DEN)
- Las Vegas Harry Reid (LAS) - Kansas City (MCI)
- Las Vegas Harry Reid (LAS) - Phoenix Sky Harbor (PHX)
- Long Beach (LGB) - Love Field, Dallas (DAL)
- Midway, Chicago (MDW) - Austin (AUS)
- Midway, Chicago (MDW) - Fort Myers (RSW)
- Midway, Chicago (MDW) - Kansas City (MCI)
- Midway, Chicago (MDW) - Lubbock (LBB)
- Midway, Chicago (MDW) - Nashville (BNA)
- Nashville (BNA) - Austin (AUS)
- Nashville (BNA) - Lubbock (LBB)
- Omaha (OMA) - Austin (AUS)
- Omaha (OMA) - Lubbock (LBB)
- Omaha (OMA) - Midway, Chicago (MDW)
- Omaha (OMA) - Nashville (BNA)
- Phoenix Sky Harbor (PHX) - Albuquerque (ABQ)
- Phoenix Sky Harbor (PHX) - Austin (AUS)
- Phoenix Sky Harbor (PHX) - Denver (DEN)
- Phoenix Sky Harbor (PHX) - Kansas City (MCI)
- Phoenix Sky Harbor (PHX) - Lubbock (LBB)
- Phoenix Sky Harbor (PHX) - Midway, Chicago (MDW)
- Phoenix Sky Harbor (PHX) - Nashville (BNA)
- Phoenix Sky Harbor (PHX) - Omaha (OMA)
- Saint Louis (STL) - Raleigh/Durham (RDU)
- San Jose (SJC) - Fort Myers (RSW)
- San Jose (SJC) - Kansas City (MCI)
- San Jose (SJC) - Midway, Chicago (MDW)