Southwest Airlines
flug
WN 431:
Multiple routes
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Direktflüge:
Southwest Airlines WN431
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: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN431
Effective 2026-01-11 through 2026-01-16
Mo
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-
Di
-
-
Mi
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-
Do
Fr
Sa
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So
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN431
Effective 2026-01-19 through 2026-01-25
Mo
Di
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-
Mi
-
-
Do
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-
Fr
-
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Sa
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So
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN431
Operates only on 2026-02-01
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
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So
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN431
Effective 2026-02-05 through 2026-02-09
Mo
Di
-
-
Mi
-
-
Do
Fr
Sa
-
-
So
-
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Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN431
Effective 2026-02-15 through 2026-02-19
Mo
-
-
Di
Mi
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-
Do
Fr
-
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Sa
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So
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN431
Effective 2026-02-23 through 2026-03-02
Mo
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
-
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So
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Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN431
Operates only on 2026-01-03
Mo
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Di
-
-
Mi
-
-
Do
-
-
Fr
-
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Sa
So
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Duration: 4:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN431
Effective 2026-06-04 through 2026-08-03
Mo
Di
-
-
Mi
-
-
Do
Fr
Sa
-
-
So
-
-
Duration: 1:55, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Southwest Airlines WN431
Effective 2026-08-09 through 2026-09-27
Mo
-
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Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
-
-
So
Duration: 1:25, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Southwest Airlines WN431
Effective 2026-06-07 through 2026-08-02
Mo
-
-
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
-
-
So
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN431
Effective 2026-02-12 through 2026-02-16
Mo
Di
-
-
Mi
-
-
Do
Fr
Sa
-
-
So
-
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN431
Effective 2026-02-20 through 2026-03-01
Mo
-
-
Di
-
-
Mi
-
-
Do
Fr
Sa
-
-
So
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN431
Effective 2026-06-09 through 2026-07-29
Mo
-
-
Di
Mi
Do
-
-
Fr
-
-
Sa
-
-
So
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-
Duration: 1:55, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Southwest Airlines WN431
Effective 2026-08-08 through 2026-09-26
Mo
-
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Di
-
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Mi
-
-
Do
-
-
Fr
-
-
Sa
So
-
-
Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN431
Effective 2026-06-06 through 2026-08-01
Mo
-
-
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
So
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-
Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN431
Effective 2026-08-04 through 2026-09-30
Mo
-
-
Di
Mi
Do
-
-
Fr
-
-
Sa
-
-
So
-
-
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN431
Effective 2026-04-09 through 2026-06-01
Mo
Di
-
-
Mi
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-
Do
Fr
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 WN431
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: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN431
Effective 2026-06-04 through 2026-08-03
Mo
Di
-
-
Mi
-
-
Do
Fr
Sa
-
-
So
-
-
Duration: 1:15, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Southwest Airlines WN431
Effective 2026-02-12 through 2026-02-16
Mo
Di
-
-
Mi
-
-
Do
Fr
Sa
-
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So
-
-
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN431
Effective 2026-02-20 through 2026-03-01
Mo
-
-
Di
-
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Mi
-
-
Do
Fr
Sa
-
-
So
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN431
Effective 2026-02-14 through 2026-02-28
Mo
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Di
-
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Mi
-
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Do
-
-
Fr
-
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Sa
So
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-
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN431
Valid until 2026-01-04
Mo
Di
Mi
-
-
Do
-
-
Fr
Sa
-
-
So
Duration: 4:25, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN431
Effective 2026-01-06 through 2026-01-14
Mo
Di
Mi
Do
Fr
Sa
-
-
So
-
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN431
Effective 2026-01-18 through 2026-01-23
Mo
-
-
Di
Mi
Do
Fr
Sa
-
-
So
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN431
Effective 2026-01-26 through 2026-02-04
Mo
Di
Mi
Do
Fr
Sa
-
-
So
-
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN431
Effective 2026-02-08 through 2026-02-11
Mo
-
-
Di
Mi
Do
-
-
Fr
-
-
Sa
-
-
So
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN431
Effective 2026-02-18 through 2026-03-04
Mo
-
-
Di
Mi
Do
-
-
Fr
-
-
Sa
-
-
So
-
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN431
Operates only on 2026-05-24
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 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN431
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: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN431
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: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN431
Effective 2026-02-12 through 2026-02-16
Mo
Di
-
-
Mi
-
-
Do
Fr
Sa
-
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So
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-
Duration: 3:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN431
Effective 2026-02-20 through 2026-03-01
Mo
-
-
Di
-
-
Mi
-
-
Do
Fr
Sa
-
-
So
Duration: 3:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN431
Operates only on 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 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN431
Effective 2026-03-10 through 2026-04-01
Mo
-
-
Di
Mi
Do
-
-
Fr
-
-
Sa
-
-
So
-
-
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN431
Valid until 2026-01-01
Mo
-
-
Di
-
-
Mi
-
-
Do
Fr
-
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Sa
-
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So
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-
Duration: 4:00, non-stop
Boeing 737-700 (73W)
Boeing 737-700 (73W)
Direktflüge:
Southwest Airlines WN431
Effective 2026-01-10 through 2026-02-07
Mo
-
-
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
So
-
-
Duration: 3:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN431
Operates only on 2026-01-05
Mo
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
-
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So
-
-
Duration: 3:55, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN431
Effective 2026-03-07 through 2026-04-04
Mo
-
-
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
So
-
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN431
Effective 2026-03-08 through 2026-04-05
Mo
-
-
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
-
-
So
Duration: 1:45, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Southwest Airlines WN431
Effective 2026-03-05 through 2026-04-06
Mo
Di
-
-
Mi
-
-
Do
Fr
Sa
-
-
So
-
-
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN431
Effective 2026-08-06 through 2026-09-28
Mo
Di
-
-
Mi
-
-
Do
Fr
Sa
-
-
So
-
-
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN431
Operates only on 2026-01-05
Mo
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
-
-
So
-
-
Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Indirekte Flüge:
Southwest Airlines WN431
Effective 2026-04-09 through 2026-06-01
Mo
Di
-
-
Mi
-
-
Do
Fr
Sa
-
-
So
-
-
Duration: 4:15, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Indirekte Flüge:
Southwest Airlines WN431
Operates only on 2026-01-03
Mo
-
-
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
So
-
-
Duration: 6:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Indirekte Flüge:
Southwest Airlines WN431
Effective 2026-06-04 through 2026-08-03
Mo
Di
-
-
Mi
-
-
Do
Fr
Sa
-
-
So
-
-
Duration: 3:50, 1-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Indirekte Flüge:
Southwest Airlines WN431
Effective 2026-02-12 through 2026-02-16
Mo
Di
-
-
Mi
-
-
Do
Fr
Sa
-
-
So
-
-
Duration: 4:15, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Indirekte Flüge:
Southwest Airlines WN431
Effective 2026-02-20 through 2026-03-01
Mo
-
-
Di
-
-
Mi
-
-
Do
Fr
Sa
-
-
So
Duration: 4:15, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Indirekte Flüge:
Southwest Airlines WN431
Effective 2026-02-12 through 2026-02-16
Mo
Di
-
-
Mi
-
-
Do
Fr
Sa
-
-
So
-
-
Duration: 6:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Indirekte Flüge:
Southwest Airlines WN431
Effective 2026-02-20 through 2026-03-01
Mo
-
-
Di
-
-
Mi
-
-
Do
Fr
Sa
-
-
So
Duration: 6:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Indirekte Flüge:
Southwest Airlines WN431
Operates only on 2026-01-05
Mo
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
-
-
So
-
-
Duration: 6:20, 1-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Indirekte Flüge:
Southwest Airlines WN431
Effective 2026-02-12 through 2026-02-16
Mo
Di
-
-
Mi
-
-
Do
Fr
Sa
-
-
So
-
-
Duration: 8:35, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Indirekte Flüge:
Southwest Airlines WN431
Effective 2026-02-20 through 2026-03-01
Mo
-
-
Di
-
-
Mi
-
-
Do
Fr
Sa
-
-
So
Duration: 8:35, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
This flight number is listed as serving the following routes:
- Austin (AUS) - Nashville (BNA)
- Chicago Midway (MDW) - El Paso (ELP)
- Chicago Midway (MDW) - Las Vegas Harry Reid (LAS)
- Chicago Midway (MDW) - Portland (PWM)
- Dallas Love Field (DAL) - Memphis (MEM)
- Denver (DEN) - New York LaGuardia (LGA)
- Denver (DEN) - Ontario, Los Angeles (ONT)
- Denver (DEN) - Phoenix Sky Harbor (PHX)
- John Glenn Columbus (CMH) - Saint Louis (STL)
- Las Vegas Harry Reid (LAS) - El Paso (ELP)
- Las Vegas Harry Reid (LAS) - Reno (RNO)
- Las Vegas Harry Reid (LAS) - Santa Ana (SNA)
- Los Angeles (LAX) - Denver (DEN)
- Los Angeles (LAX) - New York LaGuardia (LGA)
- Oakland (OAK) - Denver (DEN)
- Oakland (OAK) - Los Angeles (LAX)
- Oakland (OAK) - New York LaGuardia (LGA)
- Panama City (ECP) - Nashville (BNA)
- Phoenix Sky Harbor (PHX) - Milwaukee (MKE)
- Phoenix Sky Harbor (PHX) - Ontario, Los Angeles (ONT)
- Portland (PWM) - Baltimore (BWI)
- Salt Lake City (SLC) - Austin (AUS)
- San Diego (SAN) - John Glenn Columbus (CMH)
- San Diego (SAN) - Saint Louis (STL)
- Seattle-Tacoma (SEA) - Las Vegas Harry Reid (LAS)
- Seattle-Tacoma (SEA) - Santa Ana (SNA)