Southwest Airlines
フライト
WN 1221:
Multiple routes
フライト時刻表
直行便：
Southwest Airlines WN1221
Operates only on 2026-01-01
月
-
-
火
-
-
水
-
-
木
金
-
-
土
-
-
日
-
-
Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1221
Effective 2026-02-12 through 2026-02-16
月
火
-
-
水
-
-
木
金
土
-
-
日
-
-
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-02-20 through 2026-03-01
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-01-10 through 2026-02-07
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-02-14 through 2026-02-28
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 1:50, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
直行便：
Southwest Airlines WN1221
Effective 2026-08-09 through 2026-09-27
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 3:00, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
直行便：
Southwest Airlines WN1221
Effective 2026-08-04 through 2026-09-30
月
-
-
火
水
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1221
Effective 2026-02-12 through 2026-02-16
月
火
-
-
水
-
-
木
金
土
-
-
日
-
-
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-02-20 through 2026-03-01
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-01-11 through 2026-01-16
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-01-19 through 2026-01-25
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-02-01 through 2026-02-06
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-02-09 through 2026-02-15
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-02-17 through 2026-02-23
月
火
水
-
-
木
金
-
-
土
-
-
日
-
-
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Operates only on 2026-03-02
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-06-07 through 2026-08-02
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
直行便：
Southwest Airlines WN1221
Effective 2026-06-09 through 2026-07-29
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 WN1221
Effective 2026-01-06 through 2026-01-14
月
火
水
木
金
土
-
-
日
-
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1221
Effective 2026-01-18 through 2026-01-23
月
-
-
火
水
木
金
土
-
-
日
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1221
Effective 2026-01-26 through 2026-02-04
月
火
水
木
金
土
-
-
日
-
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1221
Effective 2026-02-08 through 2026-02-11
月
-
-
火
水
木
-
-
金
-
-
土
-
-
日
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1221
Effective 2026-02-18 through 2026-03-04
月
-
-
火
水
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1221
Effective 2026-06-09 through 2026-07-29
月
-
-
火
水
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 2:45, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
直行便：
Southwest Airlines WN1221
Effective 2026-06-07 through 2026-08-02
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 4:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
直行便：
Southwest Airlines WN1221
Effective 2026-03-07 through 2026-04-04
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 3:20, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
直行便：
Southwest Airlines WN1221
Effective 2026-03-10 through 2026-04-01
月
-
-
火
水
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1221
Effective 2026-01-11 through 2026-01-16
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-01-19 through 2026-01-25
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-02-01 through 2026-02-06
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-02-09 through 2026-02-15
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-02-17 through 2026-02-23
月
火
水
-
-
木
金
-
-
土
-
-
日
-
-
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Operates only on 2026-03-02
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-04-07 through 2026-06-03
月
-
-
火
水
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 2:00, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
直行便：
Southwest Airlines WN1221
Effective 2026-04-09 through 2026-06-01
月
火
-
-
水
-
-
木
金
土
-
-
日
-
-
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1221
Effective 2026-03-05 through 2026-04-06
月
火
-
-
水
-
-
木
金
土
-
-
日
-
-
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1221
Effective 2026-01-11 through 2026-01-16
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-01-19 through 2026-01-25
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-02-01 through 2026-02-06
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-02-09 through 2026-02-15
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-02-17 through 2026-02-23
月
火
水
-
-
木
金
-
-
土
-
-
日
-
-
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Operates only on 2026-03-02
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-01-02 through 2026-01-04
月
-
-
火
-
-
水
-
-
木
-
-
金
土
日
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-03-08 through 2026-04-05
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 3:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-08-06 through 2026-09-28
月
火
-
-
水
-
-
木
金
土
-
-
日
-
-
Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-01-11 through 2026-01-16
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-01-19 through 2026-01-25
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-02-01 through 2026-02-06
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-02-09 through 2026-02-15
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-02-17 through 2026-02-23
月
火
水
-
-
木
金
-
-
土
-
-
日
-
-
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Operates only on 2026-03-02
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-06-06 through 2026-08-01
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 1:10, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
直行便：
Southwest Airlines WN1221
Operates only on 2026-01-05
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-04-11 through 2026-05-30
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1221
Effective 2026-03-08 through 2026-04-05
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 4:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-01-02 through 2026-01-04
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 WN1221
Operates only on 2026-01-03
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 2:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
Effective 2026-06-06 through 2026-08-01
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 2:40, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
直行便：
Southwest Airlines WN1221
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 WN1221
Operates only on 2026-05-24
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 2:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1221
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 WN1221
Effective 2026-04-12 through 2026-05-17
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1221
Operates only on 2026-05-31
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
乗継便：
Southwest Airlines WN1221
Effective 2026-02-12 through 2026-02-16
月
火
-
-
水
-
-
木
金
土
-
-
日
-
-
Duration: 4:40, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-02-20 through 2026-03-01
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 4:40, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-01-11 through 2026-01-16
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 3:55, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-01-19 through 2026-01-25
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 3:55, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-02-01 through 2026-02-06
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 3:55, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-02-09 through 2026-02-15
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 3:55, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-02-17 through 2026-02-23
月
火
水
-
-
木
金
-
-
土
-
-
日
-
-
Duration: 3:55, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Operates only on 2026-03-02
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 3:55, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-06-07 through 2026-08-02
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 6:40, 1-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
乗継便：
Southwest Airlines WN1221
Effective 2026-06-09 through 2026-07-29
月
-
-
火
水
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 4:50, 1-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
乗継便：
Southwest Airlines WN1221
Effective 2026-01-11 through 2026-01-16
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-01-19 through 2026-01-25
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-02-01 through 2026-02-06
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-02-09 through 2026-02-15
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-02-17 through 2026-02-23
月
火
水
-
-
木
金
-
-
土
-
-
日
-
-
Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Operates only on 2026-03-02
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-01-11 through 2026-01-16
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 4:40, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-01-19 through 2026-01-25
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 4:40, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-02-01 through 2026-02-06
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 4:40, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-02-09 through 2026-02-15
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 4:40, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-02-17 through 2026-02-23
月
火
水
-
-
木
金
-
-
土
-
-
日
-
-
Duration: 4:40, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Operates only on 2026-03-02
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 4:40, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-01-02 through 2026-01-04
月
-
-
火
-
-
水
-
-
木
-
-
金
土
-
-
日
Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Operates only on 2026-01-03
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 4:20, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-03-08 through 2026-04-05
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 7:55, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-06-06 through 2026-08-01
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 4:30, 1-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
乗継便：
Southwest Airlines WN1221
Operates only on 2026-01-05
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 3:45, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-01-02 through 2026-01-04
月
-
-
火
-
-
水
-
-
木
-
-
金
土
-
-
日
Duration: 3:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-01-11 through 2026-01-16
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 6:25, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-01-19 through 2026-01-25
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 6:25, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-02-01 through 2026-02-06
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 6:25, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-02-09 through 2026-02-15
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 6:25, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-02-17 through 2026-02-23
月
火
水
-
-
木
金
-
-
土
-
-
日
-
-
Duration: 6:25, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Operates only on 2026-03-02
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 6:25, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-01-11 through 2026-01-16
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 6:25, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-01-19 through 2026-01-25
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 6:25, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-02-01 through 2026-02-06
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 6:25, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-02-09 through 2026-02-15
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 6:25, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-02-17 through 2026-02-23
月
火
水
-
-
木
金
-
-
土
-
-
日
-
-
Duration: 6:25, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Operates only on 2026-03-02
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 6:25, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-01-02 through 2026-01-04
月
-
-
火
-
-
水
-
-
木
-
-
金
土
-
-
日
Duration: 5:40, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-01-11 through 2026-01-16
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 9:15, 3-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-01-19 through 2026-01-25
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 9:15, 3-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-02-01 through 2026-02-06
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 9:15, 3-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-02-09 through 2026-02-15
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 9:15, 3-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Effective 2026-02-17 through 2026-02-23
月
火
水
-
-
木
金
-
-
土
-
-
日
-
-
Duration: 9:15, 3-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1221
Operates only on 2026-03-02
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 9:15, 3-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) - El Paso (ELP)
- Austin (AUS) - Los Angeles (LAX)
- Baltimore (BWI) - Boston Logan (BOS)
- Baltimore (BWI) - Tampa (TPA)
- Boston Logan (BOS) - Denver (DEN)
- Dallas Love Field (DAL) - Indianapolis (IND)
- Dallas Love Field (DAL) - New Orleans (MSY)
- Dallas Love Field (DAL) - Tampa (TPA)
- Denver (DEN) - Baltimore (BWI)
- Denver (DEN) - Boise (BOI)
- El Paso (ELP) - Dallas Love Field (DAL)
- El Paso (ELP) - Indianapolis (IND)
- El Paso (ELP) - Los Angeles (LAX)
- El Paso (ELP) - New Orleans (MSY)
- El Paso (ELP) - Tampa (TPA)
- Fort Lauderdale (FLL) - Las Vegas Harry Reid (LAS)
- Fort Lauderdale (FLL) - Milwaukee (MKE)
- Las Vegas Harry Reid (LAS) - San Antonio (SAT)
- Long Beach (LGB) - Las Vegas Harry Reid (LAS)
- Long Beach (LGB) - San Antonio (SAT)
- Los Angeles (LAX) - Dallas Love Field (DAL)
- Milwaukee (MKE) - Las Vegas Harry Reid (LAS)
- Nashville (BNA) - New Orleans (MSY)
- Nashville (BNA) - Tampa (TPA)
- New Orleans (MSY) - Tampa (TPA)
- Orlando (MCO) - Saint Louis (STL)
- Phoenix Sky Harbor (PHX) - Austin (AUS)
- Phoenix Sky Harbor (PHX) - Dallas Love Field (DAL)
- Phoenix Sky Harbor (PHX) - El Paso (ELP)
- Phoenix Sky Harbor (PHX) - Los Angeles (LAX)
- Phoenix Sky Harbor (PHX) - San Antonio (SAT)
- San Diego (SAN) - Las Vegas Harry Reid (LAS)
- San Diego (SAN) - San Antonio (SAT)