Southwest Airlines flight WN 4578: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Wed 06:20 Phoenix Sky Harbor (PHX) 4 07:35 San Diego (SAN) 1
WN 4578 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Operates only on 2025-06-04
Sat 14:30 Denver (DEN) 19:50 Tampa (TPA)
WN 4578 Non-stop Boeing 737-800 (73H) 3:20 Effective 2025-11-22 through 2025-11-29
Sat 14:30 Denver (DEN) 19:50 Tampa (TPA)
WN 4578 Non-stop Boeing 737-800 (73H) 3:20 Effective 2025-12-20 through 2026-01-03
Mon,Thu,Fri 14:35 Sacramento (SMF) B 16:05 Santa Ana (SNA)
WN 4578 Non-stop Boeing 737-700 (73W) 1:30 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 14:35 Sacramento (SMF) B 16:05 Santa Ana (SNA)
WN 4578 Non-stop Boeing 737-700 (73W) 1:30 Effective 2025-07-07 through 2025-08-04
Mon-Wed 14:55 Denver (DEN) 20:15 Tampa (TPA)
WN 4578 Non-stop Boeing 737 MAX 8 (7M8) 3:20 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 14:55 Denver (DEN) 20:15 Tampa (TPA)
WN 4578 Non-stop Boeing 737 MAX 8 (7M8) 3:20 Effective 2025-12-19 through 2026-01-04
Sun 16:10 Sacramento (SMF) B 17:40 Santa Ana (SNA)
WN 4578 Non-stop Boeing 737-700 (73W) 1:30 Effective 2025-06-08 through 2025-08-03
This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4578: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4578
06:20
Phoenix Sky Harbor (PHX) 4

07:35
San Diego (SAN) 1
Operates only on 2025-06-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4578
14:30
Denver (DEN)

19:50
Tampa (TPA)
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4578
14:30
Denver (DEN)

19:50
Tampa (TPA)
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4578
14:35
Sacramento (SMF) B

16:05
Santa Ana (SNA)
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4578
14:35
Sacramento (SMF) B

16:05
Santa Ana (SNA)
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4578
14:55
Denver (DEN)

20:15
Tampa (TPA)
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4578
14:55
Denver (DEN)

20:15
Tampa (TPA)
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 3:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4578
16:10
Sacramento (SMF) B

17:40
Santa Ana (SNA)
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (73W)
This flight number is listed as serving the following routes:
  • Denver (DEN) - Tampa (TPA)
  • Phoenix Sky Harbor (PHX) - San Diego (SAN)
  • Sacramento (SMF) - Santa Ana (SNA)
All Southwest Airlines flights
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