Southwest Airlines flight WN 4637: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sun 14:40 Houston Hobby (HOU) 18:05 Charlotte (CLT)
WN 4637 Non-stop Boeing 737-700 (73W) 2:25 Valid until 2025-05-18
Sun 14:40 Houston Hobby (HOU) 18:05 Charlotte (CLT)
WN 4637 Non-stop Boeing 737-700 (73W) 2:25 Operates only on 2025-06-01
Sat 15:20 Albany (ALB) 16:40 Baltimore (BWI)
WN 4637 Non-stop Boeing 737-800 (73H) 1:20 Effective 2025-11-22 through 2025-11-29
Sat 15:20 Albany (ALB) 16:40 Baltimore (BWI)
WN 4637 Non-stop Boeing 737-800 (73H) 1:20 Effective 2025-12-20 through 2026-01-03
Tue,Wed 16:45 Cleveland Hopkins (CLE) 17:15 Nashville (BNA)
WN 4637 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-10-07 through 2025-10-29
Sun 17:15 Houston Hobby (HOU) 20:40 Charlotte (CLT)
WN 4637 Non-stop Boeing 737-800 (73H) 2:25 Operates only on 2025-05-25
Sat 17:50 Cleveland Hopkins (CLE) 18:20 Nashville (BNA)
WN 4637 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2025-10-04 through 2025-11-01
Sun 19:20 Cleveland Hopkins (CLE) 19:50 Nashville (BNA)
WN 4637 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-10-05 through 2025-10-26
Mon,Thu,Fri 19:45 Cleveland Hopkins (CLE) 20:15 Nashville (BNA)
WN 4637 Non-stop Boeing 737-800 (73H) 1:30 Effective 2025-10-02 through 2025-10-31
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4637: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4637
14:40
Houston Hobby (HOU)

18:05
Charlotte (CLT)
Valid until 2025-05-18
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
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Sun
Duration: 2:25, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4637
14:40
Houston Hobby (HOU)

18:05
Charlotte (CLT)
Operates only on 2025-06-01
Mon
-
Tue
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Wed
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Thu
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Fri
-
Sat
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Sun
Duration: 2:25, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4637
15:20
Albany (ALB)

16:40
Baltimore (BWI)
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
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Wed
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Thu
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Fri
-
Sat
Sun
-
Duration: 1:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4637
15:20
Albany (ALB)

16:40
Baltimore (BWI)
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4637
16:45
Cleveland Hopkins (CLE)

17:15
Nashville (BNA)
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4637
17:15
Houston Hobby (HOU)

20:40
Charlotte (CLT)
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4637
17:50
Cleveland Hopkins (CLE)

18:20
Nashville (BNA)
Effective 2025-10-04 through 2025-11-01
Mon
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Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4637
19:20
Cleveland Hopkins (CLE)

19:50
Nashville (BNA)
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4637
19:45
Cleveland Hopkins (CLE)

20:15
Nashville (BNA)
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-800 (73H)
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This flight number is listed as serving the following routes:
  • Albany (ALB) - Baltimore (BWI)
  • Cleveland Hopkins (CLE) - Nashville (BNA)
  • Houston Hobby (HOU) - Charlotte (CLT)
All Southwest Airlines flights
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