Southwest Airlines flight WN 4342: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 06:05 Luis Munoz Marin, San Juan (SJU) B 09:25 Baltimore (BWI)
WN 4342 Non-stop Boeing 737 MAX 8 (7M8) 4:20 Valid until 2026-01-03
Mon,Thu,Fri 06:05 Las Vegas Harry Reid (LAS) 1 07:15 San Diego (SAN) 1
WN 4342 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2026-06-04 through 2026-08-03
Tue,Wed 06:15 Phoenix Sky Harbor (PHX) 4 10:35 Dallas Love Field (DAL) 1
WN 4342 Non-stop Boeing 737-800 (73H) 2:20 Effective 2026-08-04 through 2026-09-30
Mon,Tue,Fri,Sun 06:35 Luis Munoz Marin, San Juan (SJU) B 09:50 Baltimore (BWI)
WN 4342 Non-stop Boeing 737-800 (73H) 4:15 Valid until 2026-01-04
Tue,Wed 06:35 Las Vegas Harry Reid (LAS) 1 07:45 San Diego (SAN) 1
WN 4342 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2026-06-09 through 2026-07-29
Tue,Wed 10:40 Sacramento (SMF) B 12:15 Los Angeles (LAX) 1
WN 4342 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2026-04-07 through 2026-06-03
Sun 11:10 Sacramento (SMF) B 12:40 Los Angeles (LAX) 1
WN 4342 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-04-12 through 2026-05-17
Sun 11:10 Sacramento (SMF) B 12:40 Los Angeles (LAX) 1
WN 4342 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Operates only on 2026-05-31
Sat 11:45 Sacramento (SMF) B 13:15 Los Angeles (LAX) 1
WN 4342 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-04-11 through 2026-05-30
Tue,Wed 13:20 Fort Myers (RSW) 15:20 Saint Louis (STL) 2
WN 4342 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2026-03-10 through 2026-04-01
Sat 15:00 Austin (AUS) 16:50 Salt Lake City (SLC)
WN 4342 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-08-08 through 2026-09-26
Mon,Thu,Fri 17:25 Sacramento (SMF) B 18:55 Los Angeles (LAX) 1
WN 4342 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-04-09 through 2026-06-01
Sat 18:55 Fort Myers (RSW) 20:45 Saint Louis (STL) 2
WN 4342 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2026-03-07 through 2026-04-04
Mon,Thu,Fri 19:00 Fort Myers (RSW) 20:50 Saint Louis (STL) 2
WN 4342 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2026-03-05 through 2026-04-06
Sun 19:00 Fort Myers (RSW) 20:50 Saint Louis (STL) 2
WN 4342 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-03-08 through 2026-04-05
Mon,Thu,Fri 19:25 Austin (AUS) 21:10 Salt Lake City (SLC)
WN 4342 Non-stop Boeing 737-800 (73H) 2:45 Effective 2026-08-06 through 2026-09-28
Mon,Thu,Fri 19:35 Los Angeles (LAX) 1 22:25 El Paso (ELP)
WN 4342 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2026-04-09 through 2026-06-01
Non-Direct Flights:
Mon,Thu,Fri 17:25 Sacramento (SMF) B 22:25 El Paso (ELP)
WN 4342 1-stop Boeing 737 MAX 8 (7M8) 4:00 Effective 2026-04-09 through 2026-06-01
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4342: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4342
06:05
Luis Munoz Marin, San Juan (SJU) B

09:25
Baltimore (BWI)
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4342
06:05
Las Vegas Harry Reid (LAS) 1

07:15
San Diego (SAN) 1
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4342
06:15
Phoenix Sky Harbor (PHX) 4

10:35
Dallas Love Field (DAL) 1
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4342
06:35
Luis Munoz Marin, San Juan (SJU) B

09:50
Baltimore (BWI)
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:15, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4342
06:35
Las Vegas Harry Reid (LAS) 1

07:45
San Diego (SAN) 1
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4342
10:40
Sacramento (SMF) B

12:15
Los Angeles (LAX) 1
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4342
11:10
Sacramento (SMF) B

12:40
Los Angeles (LAX) 1
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4342
11:10
Sacramento (SMF) B

12:40
Los Angeles (LAX) 1
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4342
11:45
Sacramento (SMF) B

13:15
Los Angeles (LAX) 1
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4342
13:20
Fort Myers (RSW)

15:20
Saint Louis (STL) 2
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4342
15:00
Austin (AUS)

16:50
Salt Lake City (SLC)
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4342
17:25
Sacramento (SMF) B

18:55
Los Angeles (LAX) 1
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4342
18:55
Fort Myers (RSW)

20:45
Saint Louis (STL) 2
Effective 2026-03-07 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4342
19:00
Fort Myers (RSW)

20:50
Saint Louis (STL) 2
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4342
19:00
Fort Myers (RSW)

20:50
Saint Louis (STL) 2
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4342
19:25
Austin (AUS)

21:10
Salt Lake City (SLC)
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:45, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4342
19:35
Los Angeles (LAX) 1

22:25
El Paso (ELP)
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN4342
17:25
Sacramento (SMF) B

22:25
El Paso (ELP)
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:00, 1-stop
Boeing 737 MAX 8 (7M8)
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This flight number is listed as serving the following routes:
  • Austin (AUS) - Salt Lake City (SLC)
  • Fort Myers (RSW) - Saint Louis (STL)
  • Las Vegas Harry Reid (LAS) - San Diego (SAN)
  • Los Angeles (LAX) - El Paso (ELP)
  • Luis Munoz Marin, San Juan (SJU) - Baltimore (BWI)
  • Phoenix Sky Harbor (PHX) - Dallas Love Field (DAL)
  • Sacramento (SMF) - El Paso (ELP)
  • Sacramento (SMF) - Los Angeles (LAX)
All Southwest Airlines flights
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