Southwest Airlines
フライト
WN 3856:
Multiple routes
フライト時刻表
直行便：
Southwest Airlines WN3856
Effective 2026-01-06 through 2026-01-14
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 WN3856
Effective 2026-01-18 through 2026-01-23
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 WN3856
Effective 2026-01-26 through 2026-02-04
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 WN3856
Effective 2026-02-08 through 2026-02-11
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 WN3856
Effective 2026-02-18 through 2026-03-04
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 WN3856
Effective 2026-02-14 through 2026-02-28
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN3856
Effective 2026-08-04 through 2026-09-30
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 WN3856
Effective 2026-02-12 through 2026-02-16
月
火
-
-
水
-
-
木
金
土
-
-
日
-
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN3856
Effective 2026-02-20 through 2026-03-01
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN3856
Effective 2026-04-11 through 2026-05-30
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 WN3856
Operates only on 2026-01-05
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 WN3856
Effective 2026-04-09 through 2026-06-01
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 WN3856
Effective 2026-04-07 through 2026-06-03
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 WN3856
Effective 2026-04-12 through 2026-05-17
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 WN3856
Operates only on 2026-05-31
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 WN3856
Effective 2026-08-06 through 2026-09-28
月
火
-
-
水
-
-
木
金
土
-
-
日
-
-
Duration: 3:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN3856
Effective 2026-04-12 through 2026-05-17
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 3:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN3856
Operates only on 2026-05-31
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 3:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN3856
Operates only on 2026-05-24
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 3:15, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
直行便：
Southwest Airlines WN3856
Effective 2026-01-10 through 2026-01-31
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 2:15, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
直行便：
Southwest Airlines WN3856
Operates only on 2026-02-07
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 WN3856
Effective 2026-01-11 through 2026-01-16
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN3856
Effective 2026-01-19 through 2026-01-25
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN3856
Effective 2026-02-01 through 2026-02-06
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN3856
Effective 2026-02-09 through 2026-02-15
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN3856
Effective 2026-02-17 through 2026-02-23
月
火
水
-
-
木
金
-
-
土
-
-
日
-
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN3856
Operates only on 2026-03-02
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN3856
Effective 2026-03-05 through 2026-04-06
月
火
水
木
金
土
-
-
日
-
-
Duration: 2:40, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
直行便：
Southwest Airlines WN3856
Effective 2026-03-08 through 2026-04-05
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 2:40, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
直行便：
Southwest Airlines WN3856
Effective 2026-03-07 through 2026-04-04
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 2:40, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
直行便：
Southwest Airlines WN3856
Effective 2026-06-04 through 2026-08-03
月
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 2:55, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
直行便：
Southwest Airlines WN3856
Effective 2026-06-09 through 2026-07-29
月
-
-
火
水
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 2:55, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
直行便：
Southwest Airlines WN3856
Effective 2026-06-06 through 2026-08-01
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 2:50, non-stop
Boeing 737-700 (Scimitar Winglets)
The flight arrives 1 day after departure.
Boeing 737-700 (Scimitar Winglets)
The flight arrives 1 day after departure.
乗継便：
Southwest Airlines WN3856
Effective 2026-04-12 through 2026-05-17
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 WN3856
Operates only on 2026-05-31
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 5:20, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
This flight number is listed as serving the following routes:
- Cleveland (CLE) - Denver (DEN)
- Denver (DEN) - Seattle-Tacoma (SEA)
- Nashville (BNA) - Cleveland (CLE)
- Nashville (BNA) - Denver (DEN)
- New Orleans (MSY) - Tampa (TPA)
- New York LaGuardia (LGA) - Houston Hobby (HOU)
- Orlando (MCO) - Islip (ISP)
- Tampa (TPA) - John Glenn Columbus (CMH)