Southwest Airlines flight WN 4643: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 06:30 San Antonio (SAT) A 08:40 Nashville (BNA)
WN 4643 Non-stop Boeing 737-800 (73H) 2:10 Effective 2025-10-02 through 2025-10-31
Tue,Wed,Sun 06:55 San Antonio (SAT) A 09:05 Nashville (BNA)
WN 4643 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2025-10-05 through 2025-10-29
Sat 07:10 San Antonio (SAT) A 09:20 Nashville (BNA)
WN 4643 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2025-10-04 through 2025-11-01
Sun 07:30 Austin (AUS) 11:05 John Glenn Columbus (CMH)
WN 4643 Non-stop Boeing 737-700 (73W) 2:35 Valid until 2025-05-18
Sun 07:30 Austin (AUS) 11:05 John Glenn Columbus (CMH)
WN 4643 Non-stop Boeing 737-700 (73W) 2:35 Operates only on 2025-06-01
Sat 10:30 Houston Hobby (HOU) 12:30 Saint Louis (STL) 2
WN 4643 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2025-11-22 through 2025-11-29
Sat 10:30 Houston Hobby (HOU) 12:30 Saint Louis (STL) 2
WN 4643 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2025-12-20 through 2026-01-03
Sun 14:40 Austin (AUS) 18:15 John Glenn Columbus (CMH)
WN 4643 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Operates only on 2025-05-25
Sun 15:55 Ronald Reagan Washington (DCA) 18:15 Las Vegas Harry Reid (LAS) 1
WN 4643 Non-stop Boeing 737 MAX 8 (7M8) 5:20 Operates only on 2025-11-30
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4643: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4643
06:30
San Antonio (SAT) A

08:40
Nashville (BNA)
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4643
06:55
San Antonio (SAT) A

09:05
Nashville (BNA)
Effective 2025-10-05 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4643
07:10
San Antonio (SAT) A

09:20
Nashville (BNA)
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4643
07:30
Austin (AUS)

11:05
John Glenn Columbus (CMH)
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4643
07:30
Austin (AUS)

11:05
John Glenn Columbus (CMH)
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4643
10:30
Houston Hobby (HOU)

12:30
Saint Louis (STL) 2
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4643
10:30
Houston Hobby (HOU)

12:30
Saint Louis (STL) 2
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4643
14:40
Austin (AUS)

18:15
John Glenn Columbus (CMH)
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4643
15:55
Ronald Reagan Washington (DCA)

18:15
Las Vegas Harry Reid (LAS) 1
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:20, non-stop
Boeing 737 MAX 8 (7M8)
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This flight number is listed as serving the following routes:
  • Austin (AUS) - John Glenn Columbus (CMH)
  • Houston Hobby (HOU) - Saint Louis (STL)
  • Ronald Reagan Washington (DCA) - Las Vegas Harry Reid (LAS)
  • San Antonio (SAT) - Nashville (BNA)
All Southwest Airlines flights
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