Southwest Airlines
flug
WN 4221:
Multiple routes
FLUGPLAN
Direktflüge:
Southwest Airlines WN4221
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: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN4221
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: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4221
Effective 2026-02-20 through 2026-03-01
Mo
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Di
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Mi
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Do
Fr
Sa
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So
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4221
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: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4221
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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So
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Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4221
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: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4221
Effective 2026-01-06 through 2026-01-14
Mo
Di
Mi
Do
Fr
Sa
-
-
So
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-
Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN4221
Effective 2026-01-18 through 2026-01-23
Mo
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Di
Mi
Do
Fr
Sa
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So
Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN4221
Effective 2026-01-26 through 2026-02-04
Mo
Di
Mi
Do
Fr
Sa
-
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So
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-
Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN4221
Effective 2026-02-08 through 2026-02-11
Mo
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Di
Mi
Do
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Fr
-
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Sa
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So
Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN4221
Effective 2026-02-18 through 2026-03-04
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: 1:40, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN4221
Effective 2026-04-09 through 2026-06-01
Mo
Di
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Mi
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Do
Fr
Sa
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So
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Duration: 3:20, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN4221
Effective 2026-01-11 through 2026-01-16
Mo
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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)
Direktflüge:
Southwest Airlines WN4221
Effective 2026-01-19 through 2026-01-25
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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So
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4221
Effective 2026-02-01 through 2026-02-06
Mo
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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)
Direktflüge:
Southwest Airlines WN4221
Effective 2026-02-09 through 2026-02-15
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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So
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4221
Effective 2026-02-17 through 2026-02-23
Mo
Di
Mi
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Do
Fr
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Sa
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So
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Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4221
Operates only on 2026-03-02
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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So
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Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4221
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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So
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Duration: 1:50, non-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Direktflüge:
Southwest Airlines WN4221
Effective 2026-04-07 through 2026-06-03
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: 3:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4221
Effective 2026-01-11 through 2026-01-16
Mo
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Di
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Mi
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Do
Fr
Sa
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So
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4221
Effective 2026-01-19 through 2026-01-25
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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So
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4221
Effective 2026-02-01 through 2026-02-06
Mo
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Di
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Mi
-
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Do
Fr
Sa
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So
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4221
Effective 2026-02-09 through 2026-02-15
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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So
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4221
Effective 2026-02-17 through 2026-02-23
Mo
Di
Mi
-
-
Do
Fr
-
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Sa
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So
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-
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4221
Operates only on 2026-03-02
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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So
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Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4221
Effective 2026-04-12 through 2026-05-17
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: 3:20, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN4221
Operates only on 2026-05-31
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: 3:20, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN4221
Effective 2026-02-12 through 2026-02-16
Mo
Di
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-
Mi
-
-
Do
Fr
Sa
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So
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-
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4221
Effective 2026-02-20 through 2026-03-01
Mo
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Di
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Mi
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Do
Fr
Sa
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So
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4221
Effective 2026-01-10 through 2026-01-31
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: 1:50, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN4221
Operates only on 2026-02-07
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: 1:50, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Southwest Airlines WN4221
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: 1:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Southwest Airlines WN4221
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: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN4221
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: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4221
Effective 2026-03-10 through 2026-04-01
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: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN4221
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: 1:55, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Southwest Airlines WN4221
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
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-
Duration: 1:50, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Southwest Airlines WN4221
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: 1:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Indirekte Flüge:
Southwest Airlines WN4221
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: 4:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Indirekte Flüge:
Southwest Airlines WN4221
Effective 2026-02-20 through 2026-03-01
Mo
-
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Di
-
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Mi
-
-
Do
Fr
Sa
-
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So
Duration: 4:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Indirekte Flüge:
Southwest Airlines WN4221
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: 4:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Indirekte Flüge:
Southwest Airlines WN4221
Effective 2026-01-11 through 2026-01-16
Mo
-
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Di
-
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Mi
-
-
Do
Fr
Sa
-
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So
Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Indirekte Flüge:
Southwest Airlines WN4221
Effective 2026-01-19 through 2026-01-25
Mo
Di
-
-
Mi
-
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Do
-
-
Fr
-
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Sa
-
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So
Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Indirekte Flüge:
Southwest Airlines WN4221
Effective 2026-02-01 through 2026-02-06
Mo
-
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Di
-
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Mi
-
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Do
Fr
Sa
-
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So
Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Indirekte Flüge:
Southwest Airlines WN4221
Effective 2026-02-09 through 2026-02-15
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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So
Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Indirekte Flüge:
Southwest Airlines WN4221
Effective 2026-02-17 through 2026-02-23
Mo
Di
Mi
-
-
Do
Fr
-
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Sa
-
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So
-
-
Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Indirekte Flüge:
Southwest Airlines WN4221
Operates only on 2026-03-02
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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So
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Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
This flight number is listed as serving the following routes:
- Chicago Midway (MDW) - Raleigh/Durham (RDU)
- Dallas Love Field (DAL) - Kansas City (MCI)
- Dallas Love Field (DAL) - Orlando (MCO)
- El Paso (ELP) - Austin (AUS)
- El Paso (ELP) - Houston Hobby (HOU)
- Las Vegas Harry Reid (LAS) - El Paso (ELP)
- Las Vegas Harry Reid (LAS) - Houston Hobby (HOU)
- Phoenix Sky Harbor (PHX) - El Paso (ELP)
- Phoenix Sky Harbor (PHX) - Houston Hobby (HOU)
- San Diego (SAN) - Austin (AUS)
- San Diego (SAN) - El Paso (ELP)
- San Jose (SJC) - Austin (AUS)
- Tampa (TPA) - Albany (ALB)