Southwest Airlines
フライト
WN 3678:
Multiple routes
フライト時刻表
直行便：
Southwest Airlines WN3678
Effective 2026-06-07 through 2026-08-02
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 WN3678
Effective 2026-08-04 through 2026-09-30
月
-
-
火
水
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN3678
Effective 2026-06-06 through 2026-08-01
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN3678
Effective 2026-08-08 through 2026-09-26
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 5:10, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN3678
Valid until 2026-01-05
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 WN3678
Effective 2026-06-09 through 2026-07-29
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 WN3678
Valid until 2026-01-03
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 WN3678
Effective 2026-08-06 through 2026-09-28
月
火
-
-
水
-
-
木
金
土
-
-
日
-
-
Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN3678
Effective 2026-03-10 through 2026-04-01
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 WN3678
Effective 2026-01-06 through 2026-01-14
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 WN3678
Effective 2026-01-20 through 2026-02-04
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 WN3678
Effective 2026-02-08 through 2026-02-11
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 WN3678
Effective 2026-02-18 through 2026-03-04
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 WN3678
Effective 2026-02-12 through 2026-02-16
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 WN3678
Effective 2026-02-20 through 2026-03-01
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 WN3678
Effective 2026-03-05 through 2026-04-06
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 WN3678
Effective 2026-01-11 through 2026-01-16
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 WN3678
Effective 2026-01-19 through 2026-01-25
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 WN3678
Effective 2026-02-01 through 2026-02-06
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 WN3678
Effective 2026-02-09 through 2026-02-15
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 WN3678
Effective 2026-02-17 through 2026-02-23
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 WN3678
Operates only on 2026-03-02
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 WN3678
Effective 2026-03-07 through 2026-04-04
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 WN3678
Effective 2026-03-08 through 2026-04-05
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 WN3678
Effective 2026-01-10 through 2026-02-07
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 WN3678
Valid until 2026-01-01
月
-
-
火
-
-
水
木
金
-
-
土
-
-
日
-
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
This flight number is listed as serving the following routes:
- Chicago Midway (MDW) - Boston Logan (BOS)
- Las Vegas Harry Reid (LAS) - Bozeman (BZN)
- Orlando (MCO) - San Diego (SAN)
- Sacramento (SMF) - Nashville (BNA)
- Sacramento (SMF) - Seattle-Tacoma (SEA)
- Saint Louis (STL) - Las Vegas Harry Reid (LAS)
- Salt Lake City (SLC) - Denver (DEN)
- Tampa (TPA) - Baltimore (BWI)