Southwest Airlines
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WN 3721:
Multiple routes
FLUGPLAN
Direktflüge:
Southwest Airlines WN3721
Effective 2026-06-05 through 2026-08-03
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Duration: 3:00, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Southwest Airlines WN3721
Effective 2026-06-07 through 2026-08-02
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Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN3721
Effective 2026-06-09 through 2026-07-29
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Duration: 3:05, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Southwest Airlines WN3721
Effective 2026-06-06 through 2026-08-01
Mo
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Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN3721
Effective 2026-08-09 through 2026-09-27
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Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN3721
Operates only on 2026-01-05
Mo
Di
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Duration: 1:10, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Southwest Airlines WN3721
Valid until 2026-01-04
Mo
Di
Mi
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Do
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Fr
Sa
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Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN3721
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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Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN3721
Valid until 2026-01-04
Mo
Di
Mi
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Do
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Fr
Sa
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Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN3721
Effective 2026-04-11 through 2026-05-30
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: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN3721
Effective 2026-04-07 through 2026-06-03
Mo
Di
Mi
Do
Fr
Sa
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So
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Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN3721
Effective 2026-02-14 through 2026-02-28
Mo
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Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN3721
Effective 2026-02-12 through 2026-02-16
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Di
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Sa
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Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN3721
Effective 2026-02-20 through 2026-03-01
Mo
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Di
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Sa
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Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN3721
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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Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN3721
Operates only on 2026-05-31
Mo
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Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN3721
Effective 2026-03-05 through 2026-04-06
Mo
Di
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Mi
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Do
Fr
Sa
So
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Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN3721
Effective 2026-03-08 through 2026-04-05
Mo
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Di
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Mi
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Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN3721
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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Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN3721
Operates only on 2026-05-31
Mo
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Di
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Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Indirekte Flüge:
Southwest Airlines WN3721
Valid until 2026-01-04
Mo
Di
Mi
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Do
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Fr
Sa
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Duration: 4:05, 1-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Indirekte Flüge:
Southwest Airlines WN3721
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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Duration: 3:30, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Indirekte Flüge:
Southwest Airlines WN3721
Operates only on 2026-05-31
Mo
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Di
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Mi
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Duration: 3:30, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
This flight number is listed as serving the following routes:
- Austin (AUS) - Dallas Love Field (DAL)
- Austin (AUS) - Omaha (OMA)
- Chicago Midway (MDW) - Jacksonville (JAX)
- Dallas Love Field (DAL) - Omaha (OMA)
- Luis Munoz Marin, San Juan (SJU) - Orlando (MCO)
- Nashville (BNA) - Fort Myers (RSW)
- Ronald Reagan Washington (DCA) - Tampa (TPA)
- Saint Louis (STL) - Chicago Midway (MDW)
- Saint Louis (STL) - Jacksonville (JAX)
- Santa Ana (SNA) - Sacramento (SMF)
- Tucson (TUS) - Denver (DEN)