Southwest Airlines
vol
WN 321:
Multiple routes
HORAIRES DES VOLS
Vols directs:
Southwest Airlines WN321
Effective 2026-04-09 through 2026-06-01
Lun
Mar
-
-
Mer
-
-
Jeu
Ven
Sam
-
-
Dim
-
-
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Vols directs:
Southwest Airlines WN321
Effective 2026-04-11 through 2026-05-30
Lun
-
-
Mar
-
-
Mer
-
-
Jeu
-
-
Ven
-
-
Sam
Dim
-
-
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Vols directs:
Southwest Airlines WN321
Effective 2026-06-07 through 2026-08-02
Lun
-
-
Mar
-
-
Mer
-
-
Jeu
-
-
Ven
-
-
Sam
-
-
Dim
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Vols directs:
Southwest Airlines WN321
Effective 2026-06-04 through 2026-08-03
Lun
Mar
-
-
Mer
-
-
Jeu
Ven
Sam
-
-
Dim
-
-
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Vols directs:
Southwest Airlines WN321
Effective 2026-04-12 through 2026-05-17
Lun
-
-
Mar
-
-
Mer
-
-
Jeu
-
-
Ven
-
-
Sam
-
-
Dim
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Vols directs:
Southwest Airlines WN321
Operates only on 2026-05-31
Lun
-
-
Mar
-
-
Mer
-
-
Jeu
-
-
Ven
-
-
Sam
-
-
Dim
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Vols directs:
Southwest Airlines WN321
Effective 2026-06-06 through 2026-08-01
Lun
-
-
Mar
-
-
Mer
-
-
Jeu
-
-
Ven
-
-
Sam
Dim
-
-
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Vols directs:
Southwest Airlines WN321
Effective 2026-06-09 through 2026-07-29
Lun
-
-
Mar
Mer
Jeu
-
-
Ven
-
-
Sam
-
-
Dim
-
-
Duration: 2:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Vols directs:
Southwest Airlines WN321
Effective 2026-04-07 through 2026-05-20
Lun
-
-
Mar
Mer
Jeu
-
-
Ven
-
-
Sam
-
-
Dim
-
-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Vols directs:
Southwest Airlines WN321
Effective 2026-05-24 through 2026-05-27
Lun
-
-
Mar
Mer
Jeu
-
-
Ven
-
-
Sam
-
-
Dim
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Vols directs:
Southwest Airlines WN321
Effective 2026-06-02 through 2026-06-03
Lun
-
-
Mar
Mer
Jeu
-
-
Ven
-
-
Sam
-
-
Dim
-
-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Vols directs:
Southwest Airlines WN321
Valid until 2026-01-01
Lun
-
-
Mar
-
-
Mer
Jeu
Ven
-
-
Sam
-
-
Dim
-
-
Duration: 1:10, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Vols directs:
Southwest Airlines WN321
Effective 2026-03-07 through 2026-04-04
Lun
-
-
Mar
-
-
Mer
-
-
Jeu
-
-
Ven
-
-
Sam
Dim
-
-
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Vols directs:
Southwest Airlines WN321
Effective 2026-08-06 through 2026-09-28
Lun
Mar
-
-
Mer
-
-
Jeu
Ven
Sam
-
-
Dim
-
-
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Vols directs:
Southwest Airlines WN321
Effective 2026-02-14 through 2026-02-28
Lun
-
-
Mar
-
-
Mer
-
-
Jeu
-
-
Ven
-
-
Sam
Dim
-
-
Duration: 2:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Vols directs:
Southwest Airlines WN321
Effective 2026-08-08 through 2026-09-26
Lun
-
-
Mar
-
-
Mer
-
-
Jeu
-
-
Ven
-
-
Sam
Dim
-
-
Duration: 1:55, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Vols directs:
Southwest Airlines WN321
Effective 2026-03-08 through 2026-04-05
Lun
-
-
Mar
-
-
Mer
-
-
Jeu
-
-
Ven
-
-
Sam
-
-
Dim
Duration: 2:10, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Vols directs:
Southwest Airlines WN321
Effective 2026-02-14 through 2026-02-28
Lun
-
-
Mar
-
-
Mer
-
-
Jeu
-
-
Ven
-
-
Sam
Dim
-
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Vols directs:
Southwest Airlines WN321
Effective 2026-08-09 through 2026-09-27
Lun
-
-
Mar
-
-
Mer
-
-
Jeu
-
-
Ven
-
-
Sam
-
-
Dim
Duration: 1:55, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Vols directs:
Southwest Airlines WN321
Effective 2026-02-12 through 2026-02-16
Lun
Mar
-
-
Mer
-
-
Jeu
Ven
Sam
-
-
Dim
-
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Vols directs:
Southwest Airlines WN321
Effective 2026-02-20 through 2026-03-01
Lun
-
-
Mar
-
-
Mer
-
-
Jeu
Ven
Sam
-
-
Dim
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Vols directs:
Southwest Airlines WN321
Effective 2026-08-05 through 2026-09-30
Lun
-
-
Mar
-
-
Mer
Jeu
-
-
Ven
-
-
Sam
-
-
Dim
-
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Vols directs:
Southwest Airlines WN321
Effective 2026-03-08 through 2026-04-05
Lun
-
-
Mar
-
-
Mer
-
-
Jeu
-
-
Ven
-
-
Sam
-
-
Dim
Duration: 2:40, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Vols directs:
Southwest Airlines WN321
Effective 2026-01-11 through 2026-01-16
Lun
-
-
Mar
-
-
Mer
-
-
Jeu
Ven
Sam
-
-
Dim
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Vols directs:
Southwest Airlines WN321
Effective 2026-01-19 through 2026-01-25
Lun
Mar
-
-
Mer
-
-
Jeu
-
-
Ven
-
-
Sam
-
-
Dim
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Vols directs:
Southwest Airlines WN321
Effective 2026-02-01 through 2026-02-06
Lun
-
-
Mar
-
-
Mer
-
-
Jeu
Ven
Sam
-
-
Dim
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Vols directs:
Southwest Airlines WN321
Effective 2026-02-09 through 2026-02-15
Lun
Mar
-
-
Mer
-
-
Jeu
-
-
Ven
-
-
Sam
-
-
Dim
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Vols directs:
Southwest Airlines WN321
Effective 2026-02-17 through 2026-02-23
Lun
Mar
Mer
-
-
Jeu
Ven
-
-
Sam
-
-
Dim
-
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Vols directs:
Southwest Airlines WN321
Operates only on 2026-03-02
Lun
Mar
-
-
Mer
-
-
Jeu
-
-
Ven
-
-
Sam
-
-
Dim
-
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Vols directs:
Southwest Airlines WN321
Effective 2026-01-10 through 2026-02-07
Lun
-
-
Mar
-
-
Mer
-
-
Jeu
-
-
Ven
-
-
Sam
Dim
-
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Vols directs:
Southwest Airlines WN321
Operates only on 2026-01-05
Lun
Mar
-
-
Mer
-
-
Jeu
-
-
Ven
-
-
Sam
-
-
Dim
-
-
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Vols directs:
Southwest Airlines WN321
Effective 2026-08-04 through 2026-09-29
Lun
-
-
Mar
Mer
-
-
Jeu
-
-
Ven
-
-
Sam
-
-
Dim
-
-
Duration: 1:15, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Vols directs:
Southwest Airlines WN321
Valid until 2026-01-04
Lun
Mar
Mer
-
-
Jeu
-
-
Ven
Sam
-
-
Dim
Duration: 1:10, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Vols directs:
Southwest Airlines WN321
Operates only on 2026-01-03
Lun
-
-
Mar
-
-
Mer
-
-
Jeu
-
-
Ven
-
-
Sam
Dim
-
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Vols directs:
Southwest Airlines WN321
Effective 2026-03-05 through 2026-04-06
Lun
Mar
-
-
Mer
-
-
Jeu
Ven
Sam
-
-
Dim
-
-
Duration: 1:00, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Vols directs:
Southwest Airlines WN321
Effective 2026-03-10 through 2026-04-01
Lun
-
-
Mar
Mer
Jeu
-
-
Ven
-
-
Sam
-
-
Dim
-
-
Duration: 1:00, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Vols indirects:
Southwest Airlines WN321
Effective 2026-02-14 through 2026-02-28
Lun
-
-
Mar
-
-
Mer
-
-
Jeu
-
-
Ven
-
-
Sam
Dim
-
-
Duration: 4:45, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Vols indirects:
Southwest Airlines WN321
Effective 2026-03-08 through 2026-04-05
Lun
-
-
Mar
-
-
Mer
-
-
Jeu
-
-
Ven
-
-
Sam
-
-
Dim
Duration: 5:30, 1-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
This flight number is listed as serving the following routes:
- Atlanta (ATL) - Chicago Midway (MDW)
- Austin (AUS) - Las Vegas Harry Reid (LAS)
- Charlotte (CLT) - Chicago Midway (MDW)
- Charlotte (CLT) - Denver (DEN)
- Chicago Midway (MDW) - Denver (DEN)
- Dallas Love Field (DAL) - Midland (MAF)
- Denver (DEN) - Seattle-Tacoma (SEA)
- Harlingen (HRL) - Houston Hobby (HOU)
- Islip (ISP) - Baltimore (BWI)
- Las Vegas Harry Reid (LAS) - Santa Barbara (SBA)
- Orlando (MCO) - Baltimore (BWI)
- Orlando (MCO) - Islip (ISP)
- Orlando (MCO) - West Palm Beach (PBI)
- Phoenix Sky Harbor (PHX) - Santa Ana (SNA)
- San Francisco (SFO) - Denver (DEN)
- Tampa (TPA) - John Glenn Columbus (CMH)