Southwest Airlines flight WN 4278: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 06:05 Sacramento (SMF) B 11:25 Austin (AUS)
WN 4278 Non-stop Boeing 737-700 (73W) 3:20 Effective 2025-06-05 through 2025-07-03
Sun 06:05 Sacramento (SMF) B 11:25 Austin (AUS)
WN 4278 Non-stop Boeing 737 MAX 8 (7M8) 3:20 Effective 2025-06-08 through 2025-08-03
Mon,Thu,Fri 06:05 Sacramento (SMF) B 11:25 Austin (AUS)
WN 4278 Non-stop Boeing 737-700 (73W) 3:20 Effective 2025-07-07 through 2025-08-04
Tue,Wed 07:50 San Jose (SJC) B 09:00 Burbank (BUR)
WN 4278 Non-stop Boeing 737-700 (73W) 1:10 Effective 2025-08-05 through 2025-10-01
Sat 08:25 Saint Louis (STL) 2 09:55 Minneapolis/Saint Paul (MSP) 2
WN 4278 Non-stop Boeing 737-700 (73W) 1:30 Effective 2025-06-07 through 2025-08-02
Mon,Thu,Fri 12:10 San Jose (SJC) B 13:20 Burbank (BUR)
WN 4278 Non-stop Boeing 737-700 (73W) 1:10 Effective 2025-08-07 through 2025-09-29
Sat 12:30 Baltimore (BWI) 17:30 Luis Munoz Marin, San Juan (SJU) B
WN 4278 Non-stop Boeing 737-800 (73H) 4:00 Effective 2025-11-22 through 2025-11-29
Sat 12:30 Baltimore (BWI) 17:30 Luis Munoz Marin, San Juan (SJU) B
WN 4278 Non-stop Boeing 737-800 (73H) 4:00 Effective 2025-12-20 through 2026-01-03
Sun 12:40 Colorado Springs (COS) 13:40 Las Vegas Harry Reid (LAS) 1
WN 4278 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Operates only on 2025-11-30
Sat 12:55 San Jose (SJC) B 14:05 Burbank (BUR)
WN 4278 Non-stop Boeing 737-700 (73W) 1:10 Effective 2025-08-09 through 2025-09-27
Sun 13:50 San Jose (SJC) B 15:00 Burbank (BUR)
WN 4278 Non-stop Boeing 737-700 (73W) 1:10 Effective 2025-08-10 through 2025-08-24
Sun 13:50 San Jose (SJC) B 15:00 Burbank (BUR)
WN 4278 Non-stop Boeing 737-700 (73W) 1:10 Effective 2025-09-07 through 2025-09-28
Sun 13:55 San Jose (SJC) B 15:05 Burbank (BUR)
WN 4278 Non-stop Boeing 737-700 (73W) 1:10 Operates only on 2025-08-31
Sat 17:15 Charleston (CHS) 17:55 Nashville (BNA)
WN 4278 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Valid until 2025-05-31
Sun 19:15 Charleston (CHS) 19:50 Nashville (BNA)
WN 4278 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Operates only on 2025-05-25
Mon,Thu,Fri 19:40 Charleston (CHS) 20:15 Nashville (BNA)
WN 4278 Non-stop Boeing 737-700 (73W) 1:35 Valid until 2025-06-02
Sun 21:20 Charleston (CHS) 21:55 Nashville (BNA)
WN 4278 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Valid until 2025-05-18
Sun 21:20 Charleston (CHS) 21:55 Nashville (BNA)
WN 4278 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Operates only on 2025-06-01
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4278: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4278
06:05
Sacramento (SMF) B

11:25
Austin (AUS)
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4278
06:05
Sacramento (SMF) B

11:25
Austin (AUS)
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4278
06:05
Sacramento (SMF) B

11:25
Austin (AUS)
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4278
07:50
San Jose (SJC) B

09:00
Burbank (BUR)
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4278
08:25
Saint Louis (STL) 2

09:55
Minneapolis/Saint Paul (MSP) 2
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4278
12:10
San Jose (SJC) B

13:20
Burbank (BUR)
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4278
12:30
Baltimore (BWI)

17:30
Luis Munoz Marin, San Juan (SJU) B
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4278
12:30
Baltimore (BWI)

17:30
Luis Munoz Marin, San Juan (SJU) B
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4278
12:40
Colorado Springs (COS)

13:40
Las Vegas Harry Reid (LAS) 1
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4278
12:55
San Jose (SJC) B

14:05
Burbank (BUR)
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4278
13:50
San Jose (SJC) B

15:00
Burbank (BUR)
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4278
13:50
San Jose (SJC) B

15:00
Burbank (BUR)
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4278
13:55
San Jose (SJC) B

15:05
Burbank (BUR)
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4278
17:15
Charleston (CHS)

17:55
Nashville (BNA)
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4278
19:15
Charleston (CHS)

19:50
Nashville (BNA)
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4278
19:40
Charleston (CHS)

20:15
Nashville (BNA)
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4278
21:20
Charleston (CHS)

21:55
Nashville (BNA)
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4278
21:20
Charleston (CHS)

21:55
Nashville (BNA)
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)
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This flight number is listed as serving the following routes:
  • Baltimore (BWI) - Luis Munoz Marin, San Juan (SJU)
  • Charleston (CHS) - Nashville (BNA)
  • Colorado Springs (COS) - Las Vegas Harry Reid (LAS)
  • Sacramento (SMF) - Austin (AUS)
  • Saint Louis (STL) - Minneapolis/Saint Paul (MSP)
  • San Jose (SJC) - Burbank (BUR)
All Southwest Airlines flights
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