Southwest Airlines flight WN 4254: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sun 12:25 Las Vegas Harry Reid (LAS) 1 17:00 San Antonio (SAT) A
WN 4254 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Valid until 2025-05-18
Sun 12:25 Las Vegas Harry Reid (LAS) 1 17:00 San Antonio (SAT) A
WN 4254 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Operates only on 2025-06-01
Sun 13:45 Las Vegas Harry Reid (LAS) 1 18:25 San Antonio (SAT) A
WN 4254 Non-stop Boeing 737-700 (73W) 2:40 Operates only on 2025-05-25
Sat 14:25 Love Field, Dallas (DAL) 1 15:25 Ontario, Los Angeles (ONT) 4
WN 4254 Non-stop Boeing 737-800 (73H) 3:00 Effective 2025-06-07 through 2025-08-02
Sun 17:05 Love Field, Dallas (DAL) 1 20:30 Charleston (CHS)
WN 4254 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2025-10-05 through 2025-10-26
Tue,Wed 17:45 San Antonio (SAT) A 18:45 San Diego (SAN) 1
WN 4254 Non-stop Boeing 737-700 (Scimitar Winglets) 3:00 Effective 2025-11-04 through 2025-11-12
Mon-Thu 17:45 San Antonio (SAT) A 18:45 San Diego (SAN) 1
WN 4254 Non-stop Boeing 737-700 (Scimitar Winglets) 3:00 Effective 2025-11-17 through 2025-11-20
Mon-Fri 17:45 San Antonio (SAT) A 18:45 San Diego (SAN) 1
WN 4254 Non-stop Boeing 737-700 (Scimitar Winglets) 3:00 Effective 2025-12-02 through 2025-12-11
Mon-Wed 17:45 San Antonio (SAT) A 18:45 San Diego (SAN) 1
WN 4254 Non-stop Boeing 737-700 (Scimitar Winglets) 3:00 Effective 2025-12-15 through 2025-12-17
Wed,Thu 17:45 San Antonio (SAT) A 18:45 San Diego (SAN) 1
WN 4254 Non-stop Boeing 737-700 (Scimitar Winglets) 3:00 Effective 2025-12-24 through 2026-01-01
Mon,Thu,Fri,Sun 18:35 San Antonio (SAT) A 19:40 San Diego (SAN) 1
WN 4254 Non-stop Boeing 737-800 (73H) 3:05 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 18:35 San Antonio (SAT) A 19:40 San Diego (SAN) 1
WN 4254 Non-stop Boeing 737-800 (73H) 3:05 Effective 2025-11-21 through 2025-11-28
Fri,Sun 18:35 San Antonio (SAT) A 19:40 San Diego (SAN) 1
WN 4254 Non-stop Boeing 737-800 (73H) 3:05 Effective 2025-12-07 through 2025-12-14
Thu 18:35 San Antonio (SAT) A 19:40 San Diego (SAN) 1
WN 4254 Non-stop Boeing 737-800 (73H) 3:05 Operates only on 2025-12-18
Mon 18:35 San Antonio (SAT) A 19:40 San Diego (SAN) 1
WN 4254 Non-stop Boeing 737-800 (73H) 3:05 Operates only on 2026-01-05
Tue,Wed 19:15 Las Vegas Harry Reid (LAS) 1 23:50 San Antonio (SAT) A
WN 4254 Non-stop Boeing 737-800 (73H) 2:35 Valid until 2025-06-04
Mon,Thu,Fri 19:30 Las Vegas Harry Reid (LAS) 1 00:05 San Antonio (SAT) A
WN 4254 Non-stop Boeing 737-800 (73H) 2:35 Valid until 2025-06-02
The flight arrives 1 day after departure.
Mon-Wed 19:40 San Antonio (SAT) A 20:40 San Diego (SAN) 1
WN 4254 Non-stop Boeing 737-800 (73H) 3:00 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 19:40 San Antonio (SAT) A 20:40 San Diego (SAN) 1
WN 4254 Non-stop Boeing 737-800 (73H) 3:00 Effective 2025-12-19 through 2026-01-04
Sat 19:55 San Antonio (SAT) A 20:55 San Diego (SAN) 1
WN 4254 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2025-11-22 through 2025-11-29
Sat 19:55 San Antonio (SAT) A 20:55 San Diego (SAN) 1
WN 4254 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2025-12-20 through 2026-01-03
Sun 21:30 Love Field, Dallas (DAL) 1 22:30 Ontario, Los Angeles (ONT) 4
WN 4254 Non-stop Boeing 737-700 (73W) 3:00 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 4254: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4254
12:25
Las Vegas Harry Reid (LAS) 1

17:00
San Antonio (SAT) A
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4254
12:25
Las Vegas Harry Reid (LAS) 1

17:00
San Antonio (SAT) A
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4254
13:45
Las Vegas Harry Reid (LAS) 1

18:25
San Antonio (SAT) A
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:40, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4254
14:25
Love Field, Dallas (DAL) 1

15:25
Ontario, Los Angeles (ONT) 4
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4254
17:05
Love Field, Dallas (DAL) 1

20:30
Charleston (CHS)
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4254
17:45
San Antonio (SAT) A

18:45
San Diego (SAN) 1
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4254
17:45
San Antonio (SAT) A

18:45
San Diego (SAN) 1
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4254
17:45
San Antonio (SAT) A

18:45
San Diego (SAN) 1
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4254
17:45
San Antonio (SAT) A

18:45
San Diego (SAN) 1
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4254
17:45
San Antonio (SAT) A

18:45
San Diego (SAN) 1
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4254
18:35
San Antonio (SAT) A

19:40
San Diego (SAN) 1
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:05, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4254
18:35
San Antonio (SAT) A

19:40
San Diego (SAN) 1
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 3:05, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4254
18:35
San Antonio (SAT) A

19:40
San Diego (SAN) 1
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 3:05, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4254
18:35
San Antonio (SAT) A

19:40
San Diego (SAN) 1
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:05, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4254
18:35
San Antonio (SAT) A

19:40
San Diego (SAN) 1
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:05, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4254
19:15
Las Vegas Harry Reid (LAS) 1

23:50
San Antonio (SAT) A
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4254
19:30
Las Vegas Harry Reid (LAS) 1

00:05(+1)
San Antonio (SAT) A
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Southwest Airlines WN4254
19:40
San Antonio (SAT) A

20:40
San Diego (SAN) 1
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4254
19:40
San Antonio (SAT) A

20:40
San Diego (SAN) 1
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 3:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4254
19:55
San Antonio (SAT) A

20:55
San Diego (SAN) 1
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4254
19:55
San Antonio (SAT) A

20:55
San Diego (SAN) 1
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4254
21:30
Love Field, Dallas (DAL) 1

22:30
Ontario, Los Angeles (ONT) 4
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:00, non-stop
Boeing 737-700 (73W)
This flight number is listed as serving the following routes:
  • Las Vegas Harry Reid (LAS) - San Antonio (SAT)
  • Love Field, Dallas (DAL) - Charleston (CHS)
  • Love Field, Dallas (DAL) - Ontario, Los Angeles (ONT)
  • San Antonio (SAT) - San Diego (SAN)
All Southwest Airlines flights
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