Southwest Airlines flight WN 343: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri,Sun 06:15 Sacramento (SMF) B 08:20 Seattle-Tacoma (SEA)
WN 343 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 06:15 Sacramento (SMF) B 08:20 Seattle-Tacoma (SEA)
WN 343 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2025-11-21 through 2025-11-28
Fri,Sun 06:15 Sacramento (SMF) B 08:20 Seattle-Tacoma (SEA)
WN 343 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2025-12-07 through 2025-12-14
Thu 06:15 Sacramento (SMF) B 08:20 Seattle-Tacoma (SEA)
WN 343 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Operates only on 2025-12-18
Mon 06:15 Sacramento (SMF) B 08:20 Seattle-Tacoma (SEA)
WN 343 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Operates only on 2026-01-05
Mon-Sat 06:20 Honolulu (HNL) 2 07:10 Lihue (LIH)
WN 343 Non-stop Boeing 737 MAX 8 (7M8) 0:50 Effective 2025-10-02 through 2025-11-01
Mon,Thu,Fri 07:00 Atlanta (ATL) N 08:10 Love Field, Dallas (DAL) 1
WN 343 Non-stop Boeing 737-800 (73H) 2:10 Effective 2025-08-07 through 2025-09-29
Thu 08:45 John Glenn Columbus (CMH) 10:30 Love Field, Dallas (DAL) 1
WN 343 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Operates only on 2025-11-27
Sat 09:05 Atlanta (ATL) N 10:15 Love Field, Dallas (DAL) 1
WN 343 Non-stop Boeing 737-800 (73H) 2:10 Effective 2025-08-09 through 2025-09-27
Tue,Wed 10:50 Atlanta (ATL) N 12:00 Love Field, Dallas (DAL) 1
WN 343 Non-stop Boeing 737-800 (73H) 2:10 Effective 2025-08-05 through 2025-10-01
Mon,Thu,Fri 12:25 Albuquerque (ABQ) 15:10 Austin (AUS)
WN 343 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Valid until 2025-06-02
Sun 12:35 Tucson (TUS) 13:55 Las Vegas Harry Reid (LAS) 1
WN 343 Non-stop Boeing 737-700 (73W) 1:20 Operates only on 2025-08-31
Tue,Wed 12:55 Austin (AUS) 13:15 Phoenix Sky Harbor (PHX) 4
WN 343 Non-stop Boeing 737-700 (73W) 2:20 Effective 2025-06-10 through 2025-07-30
Sat 14:10 Albuquerque (ABQ) 16:55 Austin (AUS)
WN 343 Non-stop Boeing 737-800 (73H) 1:45 Valid until 2025-05-31
Sun 14:30 Las Vegas Harry Reid (LAS) 1 17:25 Denver (DEN)
WN 343 Non-stop Boeing 737-700 (73W) 1:55 Operates only on 2025-08-31
Sun 14:50 Denver (DEN) 17:15 Omaha (OMA)
WN 343 Non-stop Boeing 737-800 (73H) 1:25 Effective 2025-06-08 through 2025-08-03
Sat 17:55 Love Field, Dallas (DAL) 1 18:40 Albuquerque (ABQ)
WN 343 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2025-06-07 through 2025-08-02
Sun 18:05 Albuquerque (ABQ) 20:50 Austin (AUS)
WN 343 Non-stop Boeing 737-700 (73W) 1:45 Valid until 2025-05-18
Sun 18:05 Albuquerque (ABQ) 20:50 Austin (AUS)
WN 343 Non-stop Boeing 737-700 (73W) 1:45 Operates only on 2025-06-01
Sun 18:05 Denver (DEN) 23:10 Pittsburgh (PIT)
WN 343 Non-stop Boeing 737-700 (73W) 3:05 Operates only on 2025-08-31
Tue,Wed 19:50 Sacramento (SMF) B 21:50 Seattle-Tacoma (SEA)
WN 343 Non-stop Boeing 737-700 (Scimitar Winglets) 2:00 Effective 2025-11-04 through 2025-11-12
Mon-Thu 19:50 Sacramento (SMF) B 21:50 Seattle-Tacoma (SEA)
WN 343 Non-stop Boeing 737-700 (Scimitar Winglets) 2:00 Effective 2025-11-17 through 2025-11-20
Mon-Fri 19:50 Sacramento (SMF) B 21:50 Seattle-Tacoma (SEA)
WN 343 Non-stop Boeing 737-700 (Scimitar Winglets) 2:00 Effective 2025-12-02 through 2025-12-11
Mon-Wed 19:50 Sacramento (SMF) B 21:50 Seattle-Tacoma (SEA)
WN 343 Non-stop Boeing 737-700 (Scimitar Winglets) 2:00 Effective 2025-12-15 through 2025-12-17
Wed,Thu 19:50 Sacramento (SMF) B 21:50 Seattle-Tacoma (SEA)
WN 343 Non-stop Boeing 737-700 (Scimitar Winglets) 2:00 Effective 2025-12-24 through 2026-01-01
Mon-Wed 20:00 Boston Logan (BOS) B 21:55 Nashville (BNA)
WN 343 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 20:00 Boston Logan (BOS) B 21:55 Nashville (BNA)
WN 343 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2025-12-19 through 2026-01-04
Sat 20:05 Boston Logan (BOS) B 22:00 Nashville (BNA)
WN 343 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2025-11-22 through 2025-11-29
Sat 20:05 Boston Logan (BOS) B 22:00 Nashville (BNA)
WN 343 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2025-12-20 through 2026-01-03
Sun 20:30 Atlanta (ATL) N 21:40 Love Field, Dallas (DAL) 1
WN 343 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2025-08-10 through 2025-08-24
Sun 20:30 Atlanta (ATL) N 21:40 Love Field, Dallas (DAL) 1
WN 343 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2025-09-07 through 2025-09-28
Sun 20:30 Baltimore (BWI) 23:05 San Diego (SAN) 1
WN 343 Non-stop Boeing 737 MAX 8 (7M8) 5:35 Effective 2025-10-05 through 2025-10-26
Non-Direct Flights:
Sun 12:35 Tucson (TUS) 17:25 Denver (DEN)
WN 343 1-stop Boeing 737-700 (73W) 3:50 Operates only on 2025-08-31
Sun 14:30 Las Vegas Harry Reid (LAS) 1 23:10 Pittsburgh (PIT)
WN 343 1-stop Boeing 737-700 (73W) 5:40 Operates only on 2025-08-31
Sun 12:35 Tucson (TUS) 23:10 Pittsburgh (PIT)
WN 343 2-stop Boeing 737-700 (73W) 7:35 Operates only on 2025-08-31
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 343: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN343
06:15
Sacramento (SMF) B

08:20
Seattle-Tacoma (SEA)
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN343
06:15
Sacramento (SMF) B

08:20
Seattle-Tacoma (SEA)
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN343
06:15
Sacramento (SMF) B

08:20
Seattle-Tacoma (SEA)
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN343
06:15
Sacramento (SMF) B

08:20
Seattle-Tacoma (SEA)
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN343
06:15
Sacramento (SMF) B

08:20
Seattle-Tacoma (SEA)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN343
06:20
Honolulu (HNL) 2

07:10
Lihue (LIH)
Effective 2025-10-02 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 0:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN343
07:00
Atlanta (ATL) N

08:10
Love Field, Dallas (DAL) 1
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN343
08:45
John Glenn Columbus (CMH)

10:30
Love Field, Dallas (DAL) 1
Operates only on 2025-11-27
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN343
09:05
Atlanta (ATL) N

10:15
Love Field, Dallas (DAL) 1
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:10, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN343
10:50
Atlanta (ATL) N

12:00
Love Field, Dallas (DAL) 1
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN343
12:25
Albuquerque (ABQ)

15:10
Austin (AUS)
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN343
12:35
Tucson (TUS)

13:55
Las Vegas Harry Reid (LAS) 1
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN343
12:55
Austin (AUS)

13:15
Phoenix Sky Harbor (PHX) 4
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN343
14:10
Albuquerque (ABQ)

16:55
Austin (AUS)
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:45, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN343
14:30
Las Vegas Harry Reid (LAS) 1

17:25
Denver (DEN)
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN343
14:50
Denver (DEN)

17:15
Omaha (OMA)
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN343
17:55
Love Field, Dallas (DAL) 1

18:40
Albuquerque (ABQ)
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN343
18:05
Albuquerque (ABQ)

20:50
Austin (AUS)
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN343
18:05
Albuquerque (ABQ)

20:50
Austin (AUS)
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN343
18:05
Denver (DEN)

23:10
Pittsburgh (PIT)
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:05, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN343
19:50
Sacramento (SMF) B

21:50
Seattle-Tacoma (SEA)
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN343
19:50
Sacramento (SMF) B

21:50
Seattle-Tacoma (SEA)
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN343
19:50
Sacramento (SMF) B

21:50
Seattle-Tacoma (SEA)
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN343
19:50
Sacramento (SMF) B

21:50
Seattle-Tacoma (SEA)
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN343
19:50
Sacramento (SMF) B

21:50
Seattle-Tacoma (SEA)
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN343
20:00
Boston Logan (BOS) B

21:55
Nashville (BNA)
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN343
20:00
Boston Logan (BOS) B

21:55
Nashville (BNA)
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN343
20:05
Boston Logan (BOS) B

22:00
Nashville (BNA)
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN343
20:05
Boston Logan (BOS) B

22:00
Nashville (BNA)
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN343
20:30
Atlanta (ATL) N

21:40
Love Field, Dallas (DAL) 1
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN343
20:30
Atlanta (ATL) N

21:40
Love Field, Dallas (DAL) 1
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN343
20:30
Baltimore (BWI)

23:05
San Diego (SAN) 1
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:35, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN343
12:35
Tucson (TUS)

17:25
Denver (DEN)
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:50, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN343
14:30
Las Vegas Harry Reid (LAS) 1

23:10
Pittsburgh (PIT)
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:40, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN343
12:35
Tucson (TUS)

23:10
Pittsburgh (PIT)
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 7:35, 2-stop
Boeing 737-700 (73W)
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This flight number is listed as serving the following routes:
  • Albuquerque (ABQ) - Austin (AUS)
  • Atlanta (ATL) - Love Field, Dallas (DAL)
  • Austin (AUS) - Phoenix Sky Harbor (PHX)
  • Baltimore (BWI) - San Diego (SAN)
  • Boston Logan (BOS) - Nashville (BNA)
  • Denver (DEN) - Omaha (OMA)
  • Denver (DEN) - Pittsburgh (PIT)
  • Honolulu (HNL) - Lihue (LIH)
  • John Glenn Columbus (CMH) - Love Field, Dallas (DAL)
  • Las Vegas Harry Reid (LAS) - Denver (DEN)
  • Las Vegas Harry Reid (LAS) - Pittsburgh (PIT)
  • Love Field, Dallas (DAL) - Albuquerque (ABQ)
  • Sacramento (SMF) - Seattle-Tacoma (SEA)
  • Tucson (TUS) - Denver (DEN)
  • Tucson (TUS) - Las Vegas Harry Reid (LAS)
  • Tucson (TUS) - Pittsburgh (PIT)
All Southwest Airlines flights
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