Southwest Airlines
flug
WN 643:
Multiple routes
FLUGPLAN
Direktflüge:
Southwest Airlines WN643
Effective 2026-03-14 through 2026-04-04
Mo
-
-
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
So
-
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN643
Effective 2026-03-09 through 2026-04-06
Mo
Di
-
-
Mi
-
-
Do
Fr
Sa
-
-
So
-
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN643
Effective 2026-03-10 through 2026-04-01
Mo
-
-
Di
Mi
Do
-
-
Fr
-
-
Sa
-
-
So
-
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN643
Operates only on 2026-03-07
Mo
-
-
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
So
-
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN643
Effective 2026-03-05 through 2026-03-06
Mo
-
-
Di
-
-
Mi
-
-
Do
Fr
Sa
-
-
So
-
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN643
Valid until 2026-01-01
Mo
-
-
Di
-
-
Mi
Do
Fr
-
-
Sa
-
-
So
-
-
Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN643
Effective 2026-02-12 through 2026-02-16
Mo
Di
-
-
Mi
-
-
Do
Fr
Sa
-
-
So
-
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN643
Effective 2026-02-20 through 2026-03-01
Mo
-
-
Di
-
-
Mi
-
-
Do
Fr
Sa
-
-
So
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN643
Effective 2026-04-11 through 2026-05-23
Mo
-
-
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
So
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN643
Effective 2026-05-30 through 2026-05-31
Mo
-
-
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
So
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN643
Effective 2026-01-11 through 2026-01-16
Mo
-
-
Di
-
-
Mi
-
-
Do
Fr
Sa
-
-
So
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Southwest Airlines WN643
Effective 2026-01-19 through 2026-01-25
Mo
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
-
-
So
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Southwest Airlines WN643
Operates only on 2026-02-01
Mo
-
-
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
-
-
So
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Southwest Airlines WN643
Effective 2026-02-05 through 2026-02-09
Mo
Di
-
-
Mi
-
-
Do
Fr
Sa
-
-
So
-
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN643
Effective 2026-02-15 through 2026-02-19
Mo
-
-
Di
Mi
-
-
Do
Fr
-
-
Sa
-
-
So
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN643
Effective 2026-02-23 through 2026-03-02
Mo
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
-
-
So
-
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN643
Effective 2026-04-09 through 2026-06-01
Mo
Di
-
-
Mi
-
-
Do
Fr
Sa
-
-
So
-
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN643
Effective 2026-04-07 through 2026-06-03
Mo
-
-
Di
Mi
Do
-
-
Fr
-
-
Sa
-
-
So
-
-
Duration: 1:10, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Southwest Airlines WN643
Effective 2026-01-10 through 2026-01-31
Mo
-
-
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
So
-
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN643
Effective 2026-02-14 through 2026-02-28
Mo
-
-
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
So
-
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN643
Operates only on 2026-02-07
Mo
-
-
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
So
-
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN643
Operates only on 2026-05-24
Mo
-
-
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
-
-
So
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN643
Effective 2026-03-08 through 2026-04-05
Mo
-
-
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
-
-
So
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN643
Valid until 2026-01-01
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 WN643
Effective 2026-04-11 through 2026-05-30
Mo
-
-
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
So
-
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN643
Effective 2026-01-06 through 2026-01-14
Mo
Di
Mi
Do
Fr
Sa
-
-
So
-
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN643
Effective 2026-01-18 through 2026-01-23
Mo
-
-
Di
Mi
Do
Fr
Sa
-
-
So
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN643
Effective 2026-01-26 through 2026-02-04
Mo
Di
Mi
Do
Fr
Sa
-
-
So
-
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN643
Effective 2026-02-08 through 2026-02-11
Mo
-
-
Di
Mi
Do
-
-
Fr
-
-
Sa
-
-
So
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN643
Effective 2026-02-18 through 2026-03-04
Mo
-
-
Di
Mi
Do
-
-
Fr
-
-
Sa
-
-
So
-
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direktflüge:
Southwest Airlines WN643
Effective 2026-01-10 through 2026-02-07
Mo
-
-
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
So
-
-
Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN643
Operates only on 2026-01-05
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 WN643
Valid until 2026-01-04
Mo
Di
Mi
-
-
Do
-
-
Fr
Sa
-
-
So
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN643
Effective 2026-06-09 through 2026-07-29
Mo
-
-
Di
Mi
Do
-
-
Fr
-
-
Sa
-
-
So
-
-
Duration: 1:35, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Southwest Airlines WN643
Effective 2026-08-04 through 2026-09-30
Mo
-
-
Di
Mi
Do
-
-
Fr
-
-
Sa
-
-
So
-
-
Duration: 3:40, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN643
Effective 2026-08-06 through 2026-09-28
Mo
Di
-
-
Mi
-
-
Do
Fr
Sa
-
-
So
-
-
Duration: 3:40, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Southwest Airlines WN643
Effective 2026-08-09 through 2026-09-27
Mo
-
-
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
-
-
So
Duration: 3:40, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN643
Effective 2026-06-09 through 2026-07-29
Mo
-
-
Di
Mi
Do
-
-
Fr
-
-
Sa
-
-
So
-
-
Duration: 3:35, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direktflüge:
Southwest Airlines WN643
Effective 2026-06-06 through 2026-08-01
Mo
-
-
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
So
-
-
Duration: 3:35, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direktflüge:
Southwest Airlines WN643
Effective 2026-06-04 through 2026-08-03
Mo
Di
-
-
Mi
-
-
Do
Fr
Sa
-
-
So
-
-
Duration: 3:35, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direktflüge:
Southwest Airlines WN643
Effective 2026-06-07 through 2026-08-02
Mo
-
-
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
-
-
So
Duration: 3:35, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Indirekte Flüge:
Southwest Airlines WN643
Valid until 2026-01-01
Mo
-
-
Di
-
-
Mi
Do
Fr
-
-
Sa
-
-
So
-
-
Duration: 4:25, 1-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Indirekte Flüge:
Southwest Airlines WN643
Effective 2026-04-11 through 2026-05-30
Mo
-
-
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
So
-
-
Duration: 3:20, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Indirekte Flüge:
Southwest Airlines WN643
Effective 2026-01-10 through 2026-01-31
Mo
-
-
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
So
-
-
Duration: 4:00, 1-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Indirekte Flüge:
Southwest Airlines WN643
Operates only on 2026-02-07
Mo
-
-
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
So
-
-
Duration: 3:50, 1-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Indirekte Flüge:
Southwest Airlines WN643
Effective 2026-06-09 through 2026-07-29
Mo
-
-
Di
Mi
Do
-
-
Fr
-
-
Sa
-
-
So
-
-
Duration: 6:00, 1-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
This flight number is listed as serving the following routes:
- Baltimore (BWI) - Jacksonville (JAX)
- Boston Logan (BOS) - Baltimore (BWI)
- Boston Logan (BOS) - Jacksonville (JAX)
- Detroit (DTW) - Nashville (BNA)
- Detroit (DTW) - Phoenix Sky Harbor (PHX)
- Greenville/Spartanburg (GSP) - Baltimore (BWI)
- Nashville (BNA) - Baltimore (BWI)
- Nashville (BNA) - Greenville/Spartanburg (GSP)
- Nashville (BNA) - Phoenix Sky Harbor (PHX)
- Nashville (BNA) - Savannah (SAV)
- Phoenix Sky Harbor (PHX) - Santa Ana (SNA)
- Reno (RNO) - San Diego (SAN)
- Savannah (SAV) - Baltimore (BWI)