Southwest Airlines
フライト
WN 1851:
Multiple routes
フライト時刻表
直行便：
Southwest Airlines WN1851
Effective 2026-06-04 through 2026-08-03
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 WN1851
Effective 2026-06-06 through 2026-08-02
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 WN1851
Effective 2026-03-05 through 2026-04-06
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 WN1851
Effective 2026-03-08 through 2026-04-05
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 1:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1851
Effective 2026-03-10 through 2026-04-01
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 WN1851
Operates only on 2026-01-19
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 WN1851
Operates only on 2026-02-01
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 WN1851
Effective 2026-01-11 through 2026-01-16
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 WN1851
Operates only on 2026-01-25
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 WN1851
Effective 2026-03-05 through 2026-04-06
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 WN1851
Effective 2026-02-05 through 2026-02-09
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 WN1851
Effective 2026-02-15 through 2026-02-19
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 WN1851
Effective 2026-02-23 through 2026-03-02
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 WN1851
Effective 2026-03-10 through 2026-04-01
月
-
-
火
水
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 2:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1851
Effective 2026-03-10 through 2026-04-01
月
-
-
火
水
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1851
Valid until 2026-01-03
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 WN1851
Effective 2026-01-06 through 2026-01-14
月
火
水
木
金
土
-
-
日
-
-
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1851
Effective 2026-01-18 through 2026-01-23
月
-
-
火
水
木
金
土
-
-
日
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1851
Effective 2026-01-26 through 2026-02-04
月
火
水
木
金
土
-
-
日
-
-
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1851
Effective 2026-02-08 through 2026-02-11
月
-
-
火
水
木
-
-
金
-
-
土
-
-
日
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1851
Effective 2026-02-18 through 2026-03-04
月
-
-
火
水
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1851
Effective 2026-03-05 through 2026-04-06
月
火
-
-
水
-
-
木
金
土
-
-
日
-
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1851
Valid until 2026-01-01
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 WN1851
Valid until 2026-01-03
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 4:15, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
直行便：
Southwest Airlines WN1851
Valid until 2026-01-01
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 WN1851
Effective 2026-02-12 through 2026-02-16
月
火
-
-
水
-
-
木
金
土
-
-
日
-
-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1851
Effective 2026-02-20 through 2026-03-01
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1851
Operates only on 2026-01-05
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 WN1851
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 WN1851
Effective 2026-03-05 through 2026-04-06
月
火
-
-
水
-
-
木
金
土
-
-
日
-
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN1851
Effective 2026-03-07 through 2026-04-04
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1851
Effective 2026-08-04 through 2026-09-30
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 WN1851
Effective 2026-02-14 through 2026-02-28
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN1851
Effective 2026-04-07 through 2026-06-03
月
火
水
木
金
土
日
Duration: 5:20, 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.
乗継便：
Southwest Airlines WN1851
Effective 2026-03-05 through 2026-04-06
月
火
-
-
水
-
-
木
金
土
-
-
日
-
-
Duration: 3:30, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1851
Effective 2026-03-10 through 2026-04-01
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 WN1851
Effective 2026-03-05 through 2026-04-06
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 WN1851
Effective 2026-03-10 through 2026-04-01
月
-
-
火
水
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 5:20, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1851
Valid until 2026-01-03
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 6:25, 1-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
乗継便：
Southwest Airlines WN1851
Effective 2026-03-05 through 2026-04-06
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 WN1851
Valid until 2026-01-01
月
-
-
火
-
-
水
木
金
-
-
土
-
-
日
-
-
Duration: 4:05, 1-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
乗継便：
Southwest Airlines WN1851
Effective 2026-03-05 through 2026-04-06
月
火
-
-
水
-
-
木
金
土
-
-
日
-
-
Duration: 5:30, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1851
Effective 2026-03-10 through 2026-04-01
月
-
-
火
水
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 7:05, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1851
Effective 2026-03-05 through 2026-04-06
月
火
-
-
水
-
-
木
金
土
-
-
日
-
-
Duration: 6:00, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN1851
Effective 2026-03-05 through 2026-04-06
月
火
-
-
水
-
-
木
金
土
-
-
日
-
-
Duration: 7:40, 3-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
This flight number is listed as serving the following routes:
- Austin (AUS) - Chicago Midway (MDW)
- Birmingham (BHM) - Baltimore (BWI)
- Birmingham (BHM) - Las Vegas Harry Reid (LAS)
- Honolulu (HNL) - Kahului (OGG)
- Honolulu (HNL) - Kona (KOA)
- Houston Hobby (HOU) - Baltimore (BWI)
- Houston Hobby (HOU) - Indianapolis (IND)
- Houston Hobby (HOU) - John Glenn Columbus (CMH)
- Houston Hobby (HOU) - Kansas City (MCI)
- Houston Hobby (HOU) - Phoenix Sky Harbor (PHX)
- Houston Hobby (HOU) - Sacramento (SMF)
- Houston Hobby (HOU) - San Antonio (SAT)
- Indianapolis (IND) - Baltimore (BWI)
- Kansas City (MCI) - Baltimore (BWI)
- Kansas City (MCI) - Indianapolis (IND)
- Lihue (LIH) - Oakland (OAK)
- Phoenix Sky Harbor (PHX) - Sacramento (SMF)
- San Antonio (SAT) - Baltimore (BWI)
- San Antonio (SAT) - Indianapolis (IND)
- San Antonio (SAT) - Kansas City (MCI)
- San Antonio (SAT) - Phoenix Sky Harbor (PHX)
- San Antonio (SAT) - Sacramento (SMF)
- Tampa (TPA) - Baltimore (BWI)
- Tampa (TPA) - Birmingham (BHM)
- Tampa (TPA) - Las Vegas Harry Reid (LAS)