Southwest Airlines
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WN 4531:
Multiple routes
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Direktflüge:
Southwest Airlines WN4531
Effective 2026-02-14 through 2026-02-28
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Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN4531
Effective 2026-02-12 through 2026-02-16
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Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN4531
Effective 2026-02-20 through 2026-03-01
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Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN4531
Effective 2026-01-11 through 2026-01-16
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Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN4531
Effective 2026-01-19 through 2026-01-25
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Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN4531
Effective 2026-02-01 through 2026-02-06
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Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN4531
Effective 2026-02-09 through 2026-02-15
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Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN4531
Effective 2026-02-17 through 2026-02-23
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Mi
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Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN4531
Operates only on 2026-03-02
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Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN4531
Effective 2026-06-06 through 2026-08-01
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Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN4531
Effective 2026-06-04 through 2026-08-03
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Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN4531
Effective 2026-06-09 through 2026-07-29
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Duration: 2:10, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Southwest Airlines WN4531
Effective 2026-06-07 through 2026-08-02
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Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4531
Effective 2026-03-07 through 2026-04-04
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Duration: 2:35, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Southwest Airlines WN4531
Effective 2026-08-09 through 2026-09-27
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Duration: 2:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4531
Effective 2026-08-04 through 2026-09-29
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Mi
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Duration: 1:45, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Southwest Airlines WN4531
Effective 2026-03-10 through 2026-04-01
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Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4531
Effective 2026-03-08 through 2026-04-05
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Duration: 2:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4531
Effective 2026-03-05 through 2026-04-06
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Di
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Duration: 2:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4531
Effective 2026-03-10 through 2026-04-01
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Do
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Duration: 2:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4531
Effective 2026-04-12 through 2026-05-17
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Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4531
Operates only on 2026-05-31
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Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4531
Effective 2026-03-10 through 2026-04-01
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Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4531
Effective 2026-08-05 through 2026-09-30
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Do
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Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4531
Effective 2026-08-08 through 2026-09-26
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Duration: 2:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Southwest Airlines WN4531
Effective 2026-01-06 through 2026-01-14
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Di
Mi
Do
Fr
Sa
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So
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Duration: 4:05, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Southwest Airlines WN4531
Effective 2026-01-18 through 2026-01-23
Mo
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Mi
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Sa
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Duration: 4:05, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Southwest Airlines WN4531
Effective 2026-01-26 through 2026-02-04
Mo
Di
Mi
Do
Fr
Sa
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So
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Duration: 4:05, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Southwest Airlines WN4531
Effective 2026-02-08 through 2026-02-11
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Duration: 4:05, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Southwest Airlines WN4531
Effective 2026-02-18 through 2026-03-04
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Duration: 4:05, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Indirekte Flüge:
Southwest Airlines WN4531
Effective 2026-03-10 through 2026-04-01
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Duration: 4:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Indirekte Flüge:
Southwest Airlines WN4531
Effective 2026-03-10 through 2026-04-01
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Duration: 4:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Indirekte Flüge:
Southwest Airlines WN4531
Effective 2026-03-10 through 2026-04-01
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Duration: 6:10, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
This flight number is listed as serving the following routes:
- Baltimore (BWI) - Savannah (SAV)
- Dallas Love Field (DAL) - El Paso (ELP)
- Dallas Love Field (DAL) - Indianapolis (IND)
- Harlingen (HRL) - Houston Hobby (HOU)
- Orlando (MCO) - Nashville (BNA)
- Orlando (MCO) - Saint Louis (STL)
- Orlando (MCO) - Sarasota/Bradenton (SRQ)
- Panama City (ECP) - Dallas Love Field (DAL)
- Saint Louis (STL) - Nashville (BNA)
- Sarasota/Bradenton (SRQ) - Nashville (BNA)
- Sarasota/Bradenton (SRQ) - Saint Louis (STL)
- Tampa (TPA) - Dallas Love Field (DAL)
- Washington Dulles (IAD) - Denver (DEN)