Southwest Airlines
flug
WN 4321:
Multiple routes
FLUGPLAN
Direktflüge:
Southwest Airlines WN4321
Effective 2026-02-12 through 2026-02-16
Mo
Di
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Mi
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Do
Fr
Sa
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So
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Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN4321
Effective 2026-02-14 through 2026-02-28
Mo
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Di
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Mi
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Do
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Duration: 2:55, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Southwest Airlines WN4321
Effective 2026-02-20 through 2026-03-01
Mo
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Di
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Mi
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Do
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Sa
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Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN4321
Valid until 2026-01-01
Mo
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Di
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Mi
Do
Fr
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Sa
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Duration: 1:20, non-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Direktflüge:
Southwest Airlines WN4321
Operates only on 2026-01-05
Mo
Di
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Mi
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Do
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Fr
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Sa
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Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4321
Effective 2026-08-09 through 2026-09-27
Mo
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Di
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Mi
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Do
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Fr
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Sa
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So
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4321
Effective 2026-01-02 through 2026-01-04
Mo
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Di
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Mi
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Do
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Fr
Sa
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So
Duration: 3:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4321
Effective 2026-02-14 through 2026-02-28
Mo
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Di
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Mi
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Do
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Fr
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Sa
So
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Duration: 3:25, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Southwest Airlines WN4321
Effective 2026-08-06 through 2026-09-28
Mo
Di
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Mi
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Do
Fr
Sa
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So
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Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4321
Effective 2026-08-04 through 2026-09-30
Mo
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Di
Mi
Do
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Fr
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Sa
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So
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Duration: 1:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4321
Effective 2026-08-08 through 2026-09-26
Mo
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Di
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Mi
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Do
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Fr
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Sa
So
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Duration: 1:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4321
Effective 2026-03-07 through 2026-04-04
Mo
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Di
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Mi
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Do
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Fr
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Sa
So
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Duration: 5:40, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN4321
Effective 2026-06-09 through 2026-07-29
Mo
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Di
Mi
Do
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Fr
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Sa
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So
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Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4321
Valid until 2026-01-03
Mo
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Di
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Mi
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Do
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Fr
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Sa
So
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Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN4321
Effective 2026-06-06 through 2026-08-01
Mo
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Di
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Mi
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Do
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Fr
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Sa
So
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Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN4321
Effective 2026-06-04 through 2026-08-03
Mo
Di
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Mi
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Do
Fr
Sa
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So
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Indirekte Flüge:
Southwest Airlines WN4321
Effective 2026-02-14 through 2026-02-28
Mo
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Di
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Mi
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Do
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Fr
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Sa
So
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Duration: 7:00, 1-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
This flight number is listed as serving the following routes:
- Baltimore (BWI) - Austin (AUS)
- Baltimore (BWI) - Islip (ISP)
- Baltimore (BWI) - Miami (MIA)
- Fort Lauderdale (FLL) - Chicago Midway (MDW)
- Fort Lauderdale (FLL) - Las Vegas Harry Reid (LAS)
- Greenville/Spartanburg (GSP) - Nashville (BNA)
- Miami (MIA) - Austin (AUS)
- Norfolk (ORF) - Baltimore (BWI)
- Sacramento (SMF) - Burbank (BUR)
- Santa Ana (SNA) - Nashville (BNA)