Southwest Airlines flight WN 4257: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri,Sun 07:00 San Diego (SAN) 1 08:35 San Jose (SJC) B
WN 4257 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 07:00 San Diego (SAN) 1 08:35 San Jose (SJC) B
WN 4257 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-11-21 through 2025-11-28
Fri,Sun 07:00 San Diego (SAN) 1 08:35 San Jose (SJC) B
WN 4257 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-12-07 through 2025-12-14
Thu 07:00 San Diego (SAN) 1 08:35 San Jose (SJC) B
WN 4257 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Operates only on 2025-12-18
Mon 07:00 San Diego (SAN) 1 08:35 San Jose (SJC) B
WN 4257 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Operates only on 2026-01-05
Mon-Wed 07:35 San Diego (SAN) 1 09:05 San Jose (SJC) B
WN 4257 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 07:35 San Diego (SAN) 1 09:05 San Jose (SJC) B
WN 4257 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-12-19 through 2026-01-04
Sat 08:10 San Diego (SAN) 1 09:50 San Jose (SJC) B
WN 4257 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2025-11-22 through 2025-11-29
Sat 08:10 San Diego (SAN) 1 09:50 San Jose (SJC) B
WN 4257 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2025-12-20 through 2026-01-03
Sun 10:05 Phoenix Sky Harbor (PHX) 4 12:00 Oakland (OAK) 2
WN 4257 Non-stop Boeing 737-700 (73W) 1:55 Effective 2025-06-08 through 2025-08-03
Sat 10:50 Phoenix Sky Harbor (PHX) 4 12:45 Oakland (OAK) 2
WN 4257 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2025-06-07 through 2025-08-02
Mon,Thu,Fri 11:05 Phoenix Sky Harbor (PHX) 4 13:00 Oakland (OAK) 2
WN 4257 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 11:05 Phoenix Sky Harbor (PHX) 4 13:00 Oakland (OAK) 2
WN 4257 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2025-07-07 through 2025-08-04
Mon 19:45 Kansas City (MCI) 21:35 Austin (AUS)
WN 4257 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2025-10-06 through 2025-10-27
Tue,Wed 21:30 Phoenix Sky Harbor (PHX) 4 23:20 Oakland (OAK) 2
WN 4257 Non-stop Boeing 737-700 (73W) 1:50 Effective 2025-06-10 through 2025-07-30
This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4257: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4257
07:00
San Diego (SAN) 1

08:35
San Jose (SJC) B
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4257
07:00
San Diego (SAN) 1

08:35
San Jose (SJC) B
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4257
07:00
San Diego (SAN) 1

08:35
San Jose (SJC) B
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4257
07:00
San Diego (SAN) 1

08:35
San Jose (SJC) B
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4257
07:00
San Diego (SAN) 1

08:35
San Jose (SJC) B
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4257
07:35
San Diego (SAN) 1

09:05
San Jose (SJC) B
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4257
07:35
San Diego (SAN) 1

09:05
San Jose (SJC) B
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4257
08:10
San Diego (SAN) 1

09:50
San Jose (SJC) B
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4257
08:10
San Diego (SAN) 1

09:50
San Jose (SJC) B
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4257
10:05
Phoenix Sky Harbor (PHX) 4

12:00
Oakland (OAK) 2
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4257
10:50
Phoenix Sky Harbor (PHX) 4

12:45
Oakland (OAK) 2
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4257
11:05
Phoenix Sky Harbor (PHX) 4

13:00
Oakland (OAK) 2
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4257
11:05
Phoenix Sky Harbor (PHX) 4

13:00
Oakland (OAK) 2
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4257
19:45
Kansas City (MCI)

21:35
Austin (AUS)
Effective 2025-10-06 through 2025-10-27
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4257
21:30
Phoenix Sky Harbor (PHX) 4

23:20
Oakland (OAK) 2
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737-700 (73W)
This flight number is listed as serving the following routes:
  • Kansas City (MCI) - Austin (AUS)
  • Phoenix Sky Harbor (PHX) - Oakland (OAK)
  • San Diego (SAN) - San Jose (SJC)
All Southwest Airlines flights
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