Southwest Airlines flight WN 4253: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sat 08:20 Kansas City (MCI) 12:05 Orlando (MCO) WN 4253 Non-stop Boeing 737-700 (73W) 2:45 Effective 2025-06-07 through 2025-08-02
Fri 17:15 Baltimore (BWI) 19:10 Atlanta (ATL) N WN 4253 Non-stop Boeing 737-700 (73W) 1:55 Operates only on 2025-07-04
Sat 19:00 San Diego (SAN) 1 20:40 San Francisco (SFO) 2 WN 4253 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2025-11-08 through 2025-11-15
Sat 19:00 San Diego (SAN) 1 20:40 San Francisco (SFO) 2 WN 4253 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2025-12-06 through 2025-12-13
Mon,Thu,Fri,Sun 19:05 Baltimore (BWI) 21:00 Atlanta (ATL) N WN 4253 Non-stop Boeing 737-700 (73W) 1:55 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri,Sun 19:05 Baltimore (BWI) 21:00 Atlanta (ATL) N WN 4253 Non-stop Boeing 737-700 (73W) 1:55 Effective 2025-07-06 through 2025-08-04
Mon-Wed 19:30 San Diego (SAN) 1 21:10 San Francisco (SFO) 2 WN 4253 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 19:30 San Diego (SAN) 1 21:10 San Francisco (SFO) 2 WN 4253 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2025-12-19 through 2026-01-04
Tue,Wed 19:40 San Diego (SAN) 1 21:20 San Francisco (SFO) 2 WN 4253 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2025-11-04 through 2025-11-12
Mon-Thu 19:40 San Diego (SAN) 1 21:20 San Francisco (SFO) 2 WN 4253 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2025-11-17 through 2025-11-20
Mon-Fri 19:40 San Diego (SAN) 1 21:20 San Francisco (SFO) 2 WN 4253 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2025-12-02 through 2025-12-11
Mon-Wed 19:40 San Diego (SAN) 1 21:20 San Francisco (SFO) 2 WN 4253 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2025-12-15 through 2025-12-17
Wed,Thu 19:40 San Diego (SAN) 1 21:20 San Francisco (SFO) 2 WN 4253 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2025-12-24 through 2026-01-01
Mon,Thu,Fri,Sun 20:30 San Diego (SAN) 1 22:10 San Francisco (SFO) 2 WN 4253 Non-stop Boeing 737-800 (73H) 1:40 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 20:30 San Diego (SAN) 1 22:10 San Francisco (SFO) 2 WN 4253 Non-stop Boeing 737-800 (73H) 1:40 Effective 2025-11-21 through 2025-11-28
Fri,Sun 20:30 San Diego (SAN) 1 22:10 San Francisco (SFO) 2 WN 4253 Non-stop Boeing 737-800 (73H) 1:40 Effective 2025-12-07 through 2025-12-14
Thu 20:30 San Diego (SAN) 1 22:10 San Francisco (SFO) 2 WN 4253 Non-stop Boeing 737-800 (73H) 1:40 Operates only on 2025-12-18
Mon 20:30 San Diego (SAN) 1 22:10 San Francisco (SFO) 2 WN 4253 Non-stop Boeing 737-800 (73H) 1:40 Operates only on 2026-01-05
Sun 21:55 San Diego (SAN) 1 23:35 San Francisco (SFO) 2 WN 4253 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Operates only on 2025-11-30

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Parallax here -

This flight number is listed as serving the following routes:

Baltimore (BWI) - Atlanta (ATL)
Kansas City (MCI) - Orlando (MCO)
San Diego (SAN) - San Francisco (SFO)

All Southwest Airlines flights

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Southwest Airlines flight WN 4253: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN4253

08:20

Kansas City (MCI)

12:05

Orlando (MCO)

Effective 2025-06-07 through 2025-08-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:45, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4253

17:15

Baltimore (BWI)

19:10

Atlanta (ATL) N

Operates only on 2025-07-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 1:55, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4253

19:00

San Diego (SAN) 1

20:40

San Francisco (SFO) 2

Effective 2025-11-08 through 2025-11-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4253

19:00

San Diego (SAN) 1

20:40

San Francisco (SFO) 2

Effective 2025-12-06 through 2025-12-13

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4253

19:05

Baltimore (BWI)

21:00

Atlanta (ATL) N

Effective 2025-06-05 through 2025-07-03

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:55, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4253

19:05

Baltimore (BWI)

21:00

Atlanta (ATL) N

Effective 2025-07-06 through 2025-08-04

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:55, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4253

19:30

San Diego (SAN) 1

21:10

San Francisco (SFO) 2

Effective 2025-11-25 through 2025-12-01

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4253

19:30

San Diego (SAN) 1

21:10

San Francisco (SFO) 2

Effective 2025-12-19 through 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4253

19:40

San Diego (SAN) 1

21:20

San Francisco (SFO) 2

Effective 2025-11-04 through 2025-11-12

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4253

19:40

San Diego (SAN) 1

21:20

San Francisco (SFO) 2

Effective 2025-11-17 through 2025-11-20

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4253

19:40

San Diego (SAN) 1

21:20

San Francisco (SFO) 2

Effective 2025-12-02 through 2025-12-11

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4253

19:40

San Diego (SAN) 1

21:20

San Francisco (SFO) 2

Effective 2025-12-15 through 2025-12-17

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4253

19:40

San Diego (SAN) 1

21:20

San Francisco (SFO) 2

Effective 2025-12-24 through 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4253

20:30

San Diego (SAN) 1

22:10

San Francisco (SFO) 2

Effective 2025-11-02 through 2025-11-16

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:40, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4253

20:30

San Diego (SAN) 1

22:10

San Francisco (SFO) 2

Effective 2025-11-21 through 2025-11-28

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 1:40, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4253

20:30

San Diego (SAN) 1

22:10

San Francisco (SFO) 2

Effective 2025-12-07 through 2025-12-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 1:40, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4253

20:30

San Diego (SAN) 1

22:10

San Francisco (SFO) 2

Operates only on 2025-12-18

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:40, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4253

20:30

San Diego (SAN) 1

22:10

San Francisco (SFO) 2

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:40, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4253

21:55

San Diego (SAN) 1

23:35

San Francisco (SFO) 2

Operates only on 2025-11-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)

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Parallax here -

This flight number is listed as serving the following routes:

Baltimore (BWI) - Atlanta (ATL)
Kansas City (MCI) - Orlando (MCO)
San Diego (SAN) - San Francisco (SFO)

All Southwest Airlines flights

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