Southwest Airlines
フライト
WN 1421:
Multiple routes
フライト時刻表
直行便：
Southwest Airlines WN1421
Effective 2026-04-11 through 2026-05-30
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 1:20, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
直行便：
Southwest Airlines WN1421
Effective 2026-02-14 through 2026-02-28
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1421
Effective 2026-01-06 through 2026-01-14
月
火
水
木
金
土
-
-
日
-
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1421
Effective 2026-01-18 through 2026-01-23
月
-
-
火
水
木
金
土
-
-
日
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1421
Effective 2026-01-26 through 2026-02-04
月
火
水
木
金
土
-
-
日
-
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1421
Effective 2026-02-08 through 2026-02-11
月
-
-
火
水
木
-
-
金
-
-
土
-
-
日
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1421
Effective 2026-02-18 through 2026-03-04
月
-
-
火
水
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1421
Effective 2026-01-02 through 2026-01-04
月
-
-
火
-
-
水
-
-
木
-
-
金
土
-
-
日
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1421
Operates only on 2026-01-03
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1421
Operates only on 2026-01-31
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1421
Effective 2026-01-10 through 2026-01-24
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1421
Effective 2026-02-06 through 2026-02-09
月
火
-
-
水
-
-
木
-
-
金
土
-
-
日
-
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1421
Operates only on 2026-02-07
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1421
Effective 2026-02-12 through 2026-02-16
月
火
-
-
水
-
-
木
金
土
-
-
日
-
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1421
Effective 2026-02-20 through 2026-03-01
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1421
Effective 2026-01-11 through 2026-01-16
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1421
Effective 2026-01-19 through 2026-01-25
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1421
Effective 2026-02-01 through 2026-02-05
月
-
-
火
-
-
水
-
-
木
金
-
-
土
-
-
日
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1421
Effective 2026-02-15 through 2026-02-19
月
-
-
火
水
-
-
木
金
-
-
土
-
-
日
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1421
Effective 2026-02-23 through 2026-03-02
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1421
Effective 2026-02-14 through 2026-02-28
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1421
Effective 2026-08-08 through 2026-09-26
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 2:05, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
直行便：
Southwest Airlines WN1421
Effective 2026-06-07 through 2026-08-02
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 2:05, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
直行便：
Southwest Airlines WN1421
Effective 2026-06-04 through 2026-08-03
月
火
-
-
水
-
-
木
金
土
-
-
日
-
-
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1421
Effective 2026-08-04 through 2026-09-30
月
-
-
火
水
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1421
Effective 2026-04-07 through 2026-06-03
月
-
-
火
水
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 3:45, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
直行便：
Southwest Airlines WN1421
Effective 2026-06-06 through 2026-08-01
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1421
Effective 2026-04-09 through 2026-06-01
月
火
-
-
水
-
-
木
金
土
-
-
日
-
-
Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1421
Effective 2026-08-09 through 2026-09-27
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1421
Effective 2026-04-12 through 2026-05-17
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1421
Operates only on 2026-05-31
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1421
Effective 2026-06-07 through 2026-08-02
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 1:55, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
直行便：
Southwest Airlines WN1421
Operates only on 2026-01-05
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1421
Operates only on 2026-03-07
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 4:20, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
直行便：
Southwest Airlines WN1421
Effective 2026-03-14 through 2026-04-04
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 4:20, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
直行便：
Southwest Airlines WN1421
Effective 2026-04-07 through 2026-06-03
月
-
-
火
水
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 1:25, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
直行便：
Southwest Airlines WN1421
Effective 2026-04-09 through 2026-06-01
月
火
-
-
水
-
-
木
金
土
-
-
日
-
-
Duration: 0:50, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1421
Effective 2026-03-10 through 2026-04-01
月
-
-
火
水
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 4:20, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1421
Valid until 2026-01-01
月
-
-
火
-
-
水
-
-
木
金
-
-
土
-
-
日
-
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1421
Effective 2026-08-06 through 2026-09-28
月
火
-
-
水
-
-
木
金
土
-
-
日
-
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1421
Effective 2026-03-08 through 2026-04-05
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 4:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1421
Effective 2026-03-10 through 2026-04-01
月
-
-
火
水
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
乗継便：
Southwest Airlines WN1421
Effective 2026-02-14 through 2026-02-28
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 3:50, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1421
Effective 2026-06-07 through 2026-08-02
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 4:40, 1-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
乗継便：
Southwest Airlines WN1421
Effective 2026-04-07 through 2026-06-03
月
-
-
火
水
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 6:00, 1-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
乗継便：
Southwest Airlines WN1421
Effective 2026-04-09 through 2026-06-01
月
火
-
-
水
-
-
木
金
土
-
-
日
-
-
Duration: 5:15, 1-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
乗継便：
Southwest Airlines WN1421
Effective 2026-03-10 through 2026-04-01
月
-
-
火
水
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 6:45, 1-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
This flight number is listed as serving the following routes:
- Atlanta (ATL) - Los Angeles (LAX)
- Atlanta (ATL) - Phoenix Sky Harbor (PHX)
- Chicago Midway (MDW) - Las Vegas Harry Reid (LAS)
- Chicago Midway (MDW) - Phoenix Sky Harbor (PHX)
- Chicago Midway (MDW) - Tucson (TUS)
- Dallas Love Field (DAL) - Destin/Fort Walton Beach (VPS)
- Denver (DEN) - Dallas Love Field (DAL)
- Denver (DEN) - Destin/Fort Walton Beach (VPS)
- Fort Myers (RSW) - Nashville (BNA)
- Greenville/Spartanburg (GSP) - Baltimore (BWI)
- Phoenix Sky Harbor (PHX) - Los Angeles (LAX)
- Portland (PDX) - Las Vegas Harry Reid (LAS)
- Portland (PDX) - San Jose (SJC)
- Reno (RNO) - Las Vegas Harry Reid (LAS)
- Sacramento (SMF) - Los Angeles (LAX)
- Sacramento (SMF) - Phoenix Sky Harbor (PHX)
- San Jose (SJC) - Las Vegas Harry Reid (LAS)
- Tucson (TUS) - Las Vegas Harry Reid (LAS)
- Tucson (TUS) - Phoenix Sky Harbor (PHX)