Southwest Airlines flight WN 4478: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Tue,Wed 05:10 San Francisco (SFO) 2 08:35 Denver (DEN)
WN 4478 Non-stop Boeing 737-800 (73H) 2:25 Effective 2025-06-10 through 2025-07-30
Tue,Wed 08:10 San Jose (SJC) B 09:30 Long Beach (LGB)
WN 4478 Non-stop Boeing 737-800 (73H) 1:20 Effective 2025-10-07 through 2025-10-29
Sun 14:20 San Francisco (SFO) 2 17:50 Denver (DEN)
WN 4478 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2025-06-08 through 2025-08-03
Mon,Thu,Fri 15:00 San Francisco (SFO) 2 18:25 Denver (DEN)
WN 4478 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2025-06-05 through 2025-07-03
Fri 15:00 San Francisco (SFO) 2 18:25 Denver (DEN)
WN 4478 Non-stop Boeing 737-700 (73W) 2:25 Operates only on 2025-07-04
Mon,Thu,Fri 15:00 San Francisco (SFO) 2 18:25 Denver (DEN)
WN 4478 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2025-07-07 through 2025-08-04
Mon,Thu,Fri 16:30 San Jose (SJC) B 18:00 Las Vegas Harry Reid (LAS) 1
WN 4478 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2025-08-07 through 2025-09-29
Mon,Thu,Fri 16:55 San Jose (SJC) B 18:15 Long Beach (LGB)
WN 4478 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-10-02 through 2025-10-31
Sat 18:30 San Jose (SJC) B 19:50 Long Beach (LGB)
WN 4478 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-10-04 through 2025-11-01
Mon,Thu,Fri 18:40 Las Vegas Harry Reid (LAS) 1 00:20 Nashville (BNA)
WN 4478 Non-stop Boeing 737 MAX 8 (7M8) 3:40 Effective 2025-08-07 through 2025-09-29
The flight arrives 1 day after departure.
Sun 19:40 San Jose (SJC) B 20:55 Long Beach (LGB)
WN 4478 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2025-10-05 through 2025-10-26
Mon-Wed 19:40 Tulsa (TUL) 20:40 Las Vegas Harry Reid (LAS) 1
WN 4478 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 19:40 Tulsa (TUL) 20:40 Las Vegas Harry Reid (LAS) 1
WN 4478 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2025-12-19 through 2026-01-04
Sat 20:00 Tulsa (TUL) 20:55 Las Vegas Harry Reid (LAS) 1
WN 4478 Non-stop Boeing 737-700 (Scimitar Winglets) 2:55 Effective 2025-11-22 through 2025-11-29
Sat 20:00 Tulsa (TUL) 20:55 Las Vegas Harry Reid (LAS) 1
WN 4478 Non-stop Boeing 737-700 (Scimitar Winglets) 2:55 Effective 2025-12-20 through 2026-01-03
Sun 22:45 Houston Hobby (HOU) 23:45 San Antonio (SAT) A
WN 4478 Non-stop Boeing 737-800 (73H) 1:00 Valid until 2025-05-18
Sun 22:45 Houston Hobby (HOU) 23:45 San Antonio (SAT) A
WN 4478 Non-stop Boeing 737-800 (73H) 1:00 Operates only on 2025-06-01
Non-Direct Flights:
Mon,Thu,Fri 16:30 San Jose (SJC) B 00:20 Nashville (BNA)
WN 4478 1-stop Boeing 737 MAX 8 (7M8) 5:50 Effective 2025-08-07 through 2025-09-29
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
Southwest Airlines flight WN 4478: Multiple routes
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Select flight date:  Show Calendar
FLIGHT SCHEDULE
Direct Flights:

Southwest Airlines WN4478
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4478
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4478
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4478
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4478
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4478
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4478
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4478
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4478
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4478
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:40, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Southwest Airlines WN4478
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4478
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4478
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4478
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4478
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4478
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:00, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4478
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:00, non-stop
Boeing 737-800 (73H)

Non-Direct Flights:

Southwest Airlines WN4478
16:30

00:20(+1)
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:50, 1-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
  • Houston Hobby (HOU) - San Antonio (SAT)
  • Las Vegas Harry Reid (LAS) - Nashville (BNA)
  • San Francisco (SFO) - Denver (DEN)
  • San Jose (SJC) - Las Vegas Harry Reid (LAS)
  • San Jose (SJC) - Long Beach (LGB)
  • San Jose (SJC) - Nashville (BNA)
  • Tulsa (TUL) - Las Vegas Harry Reid (LAS)