Southwest Airlines flight WN 4543: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sun 06:00 Dallas Love Field (DAL) 1 07:00 Austin (AUS)
WN 4543 Non-stop Boeing 737 MAX 8 (7M8) 1:00 Effective 2026-06-07 through 2026-08-02
Sat 11:20 San Diego (SAN) 1 14:10 Spokane (GEG)
WN 4543 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2026-03-07 through 2026-04-04
Sat 11:40 Austin (AUS) 15:15 Cincinnati (CVG)
WN 4543 Non-stop Boeing 737-700 (Scimitar Winglets) 2:35 Effective 2026-08-08 through 2026-09-26
Sun 12:10 Austin (AUS) 15:40 Cincinnati (CVG)
WN 4543 Non-stop Boeing 737-700 (Scimitar Winglets) 2:30 Effective 2026-08-09 through 2026-09-27
Sat 12:30 Philadelphia (PHL) E 14:25 Denver (DEN)
WN 4543 Non-stop Boeing 737 MAX 8 (7M8) 3:55 Effective 2026-06-06 through 2026-08-01
Tue,Wed 13:15 Austin (AUS) 16:50 Cincinnati (CVG)
WN 4543 Non-stop Boeing 737-700 (Scimitar Winglets) 2:35 Effective 2026-08-04 through 2026-09-30
Mon,Thu,Fri 13:30 Tampa (TPA) 15:55 Baltimore (BWI)
WN 4543 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2026-04-09 through 2026-06-01
Sun 13:35 Tampa (TPA) 16:00 Baltimore (BWI)
WN 4543 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Operates only on 2026-05-24
Tue,Wed 13:45 Tampa (TPA) 16:10 Baltimore (BWI)
WN 4543 Non-stop Boeing 737-800 (73H) 2:25 Effective 2026-04-07 through 2026-06-03
Sat 14:10 Tampa (TPA) 16:35 Baltimore (BWI)
WN 4543 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2026-04-11 through 2026-05-30
Sun 14:40 Tampa (TPA) 17:00 Baltimore (BWI)
WN 4543 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-04-12 through 2026-05-17
Sun 14:40 Tampa (TPA) 17:00 Baltimore (BWI)
WN 4543 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Operates only on 2026-05-31
Mon,Thu,Fri 14:50 Austin (AUS) 18:20 Cincinnati (CVG)
WN 4543 Non-stop Boeing 737-800 (73H) 2:30 Effective 2026-08-06 through 2026-09-28
Sat 17:10 Baltimore (BWI) 18:15 Chicago Midway (MDW)
WN 4543 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-04-11 through 2026-05-30
Wed,Thu 17:30 Austin (AUS) 18:50 Long Beach (LGB)
WN 4543 Non-stop Boeing 737-800 (73H) 3:20 Valid until 2026-01-01
Mon,Tue,Fri,Sun 17:40 Austin (AUS) 18:55 Long Beach (LGB)
WN 4543 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Valid until 2026-01-04
Sat 18:40 Austin (AUS) 19:55 Long Beach (LGB)
WN 4543 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Valid until 2026-01-03
Mon 18:50 Austin (AUS) 20:05 Long Beach (LGB)
WN 4543 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Operates only on 2026-01-05
Non-Direct Flights:
Sat 14:10 Tampa (TPA) 18:15 Chicago Midway (MDW)
WN 4543 1-stop Boeing 737-700 (Scimitar Winglets) 5:05 Effective 2026-04-11 through 2026-05-30
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4543: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4543
06:00
Dallas Love Field (DAL) 1

07:00
Austin (AUS)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4543
11:20
San Diego (SAN) 1

14:10
Spokane (GEG)
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 WN4543
11:40
Austin (AUS)

15:15
Cincinnati (CVG)
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4543
12:10
Austin (AUS)

15:40
Cincinnati (CVG)
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4543
12:30
Philadelphia (PHL) E

14:25
Denver (DEN)
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4543
13:15
Austin (AUS)

16:50
Cincinnati (CVG)
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4543
13:30
Tampa (TPA)

15:55
Baltimore (BWI)
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4543
13:35
Tampa (TPA)

16:00
Baltimore (BWI)
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4543
13:45
Tampa (TPA)

16:10
Baltimore (BWI)
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4543
14:10
Tampa (TPA)

16:35
Baltimore (BWI)
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4543
14:40
Tampa (TPA)

17:00
Baltimore (BWI)
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4543
14:40
Tampa (TPA)

17:00
Baltimore (BWI)
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4543
14:50
Austin (AUS)

18:20
Cincinnati (CVG)
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:30, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4543
17:10
Baltimore (BWI)

18:15
Chicago Midway (MDW)
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4543
17:30
Austin (AUS)

18:50
Long Beach (LGB)
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:20, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4543
17:40
Austin (AUS)

18:55
Long Beach (LGB)
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4543
18:40
Austin (AUS)

19:55
Long Beach (LGB)
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4543
18:50
Austin (AUS)

20:05
Long Beach (LGB)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN4543
14:10
Tampa (TPA)

18:15
Chicago Midway (MDW)
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
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This flight number is listed as serving the following routes:
  • Austin (AUS) - Cincinnati (CVG)
  • Austin (AUS) - Long Beach (LGB)
  • Baltimore (BWI) - Chicago Midway (MDW)
  • Dallas Love Field (DAL) - Austin (AUS)
  • Philadelphia (PHL) - Denver (DEN)
  • San Diego (SAN) - Spokane (GEG)
  • Tampa (TPA) - Baltimore (BWI)
  • Tampa (TPA) - Chicago Midway (MDW)
All Southwest Airlines flights
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