Southwest Airlines
フライト
WN 3400:
Multiple routes
フライト時刻表
直行便：
Southwest Airlines WN3400
Effective 2026-04-11 through 2026-05-30
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 WN3400
Operates only on 2026-05-24
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 WN3400
Effective 2026-03-07 through 2026-04-04
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 4:00, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
直行便：
Southwest Airlines WN3400
Effective 2026-01-10 through 2026-02-07
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 3:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN3400
Effective 2026-04-12 through 2026-05-17
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 WN3400
Operates only on 2026-05-31
月
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火
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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 WN3400
Operates only on 2026-01-03
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 WN3400
Operates only on 2026-01-03
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 WN3400
Effective 2026-04-07 through 2026-06-03
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 WN3400
Effective 2026-04-09 through 2026-06-01
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 WN3400
Effective 2026-06-04 through 2026-08-03
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 WN3400
Effective 2026-08-06 through 2026-09-28
月
火
-
-
水
-
-
木
金
土
-
-
日
-
-
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN3400
Operates only on 2026-01-03
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 WN3400
Effective 2026-01-11 through 2026-01-16
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN3400
Effective 2026-01-19 through 2026-01-25
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN3400
Effective 2026-02-01 through 2026-02-06
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN3400
Effective 2026-02-09 through 2026-02-15
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN3400
Effective 2026-02-17 through 2026-02-23
月
火
水
-
-
木
金
-
-
土
-
-
日
-
-
Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN3400
Operates only on 2026-03-02
月
火
-
-
水
-
-
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN3400
Effective 2026-01-02 through 2026-01-04
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 WN3400
Effective 2026-04-07 through 2026-06-03
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 WN3400
Operates only on 2026-01-03
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 WN3400
Effective 2026-01-06 through 2026-01-14
月
火
水
木
金
土
-
-
日
-
-
Duration: 3:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN3400
Effective 2026-01-18 through 2026-01-23
月
-
-
火
水
木
金
土
-
-
日
Duration: 3:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN3400
Effective 2026-01-26 through 2026-02-04
月
火
水
木
金
土
-
-
日
-
-
Duration: 3:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN3400
Effective 2026-02-08 through 2026-02-11
月
-
-
火
水
木
-
-
金
-
-
土
-
-
日
Duration: 3:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN3400
Effective 2026-02-18 through 2026-03-04
月
-
-
火
水
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 3:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
直行便：
Southwest Airlines WN3400
Effective 2026-04-09 through 2026-06-01
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 WN3400
Effective 2026-03-05 through 2026-04-06
月
火
-
-
水
-
-
木
金
土
-
-
日
-
-
Duration: 3:55, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN3400
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 WN3400
Effective 2026-02-12 through 2026-02-16
月
火
-
-
水
-
-
木
金
土
-
-
日
-
-
Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN3400
Effective 2026-02-20 through 2026-03-01
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
直行便：
Southwest Airlines WN3400
Effective 2026-08-08 through 2026-09-26
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 2:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
直行便：
Southwest Airlines WN3400
Effective 2026-02-14 through 2026-02-28
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 WN3400
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 WN3400
Effective 2026-02-12 through 2026-02-16
月
火
-
-
水
-
-
木
金
土
-
-
日
-
-
Duration: 2:35, 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.
直行便：
Southwest Airlines WN3400
Effective 2026-02-20 through 2026-03-01
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 2:35, 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 WN3400
Operates only on 2026-01-03
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 3:15, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN3400
Operates only on 2026-01-03
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 4:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN3400
Effective 2026-04-07 through 2026-06-03
月
-
-
火
水
木
-
-
金
-
-
土
-
-
日
-
-
Duration: 4:10, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN3400
Effective 2026-04-09 through 2026-06-01
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 WN3400
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 WN3400
Effective 2026-01-02 through 2026-01-04
月
-
-
火
-
-
水
-
-
木
-
-
金
土
-
-
日
Duration: 4:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN3400
Effective 2026-02-12 through 2026-02-16
月
火
-
-
水
-
-
木
金
土
-
-
日
-
-
Duration: 6:20, 1-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 WN3400
Effective 2026-02-20 through 2026-03-01
月
-
-
火
-
-
水
-
-
木
金
土
-
-
日
Duration: 6:20, 1-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 WN3400
Operates only on 2026-01-03
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 6:05, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN3400
Operates only on 2026-01-03
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 6:30, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
乗継便：
Southwest Airlines WN3400
Operates only on 2026-01-03
月
-
-
火
-
-
水
-
-
木
-
-
金
-
-
土
日
-
-
Duration: 8:10, 3-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
This flight number is listed as serving the following routes:
- Chicago Midway (MDW) - Dallas Love Field (DAL)
- Chicago Midway (MDW) - Houston Hobby (HOU)
- Chicago Midway (MDW) - Tulsa (TUL)
- El Paso (ELP) - Los Angeles (LAX)
- El Paso (ELP) - Reno (RNO)
- Houston Hobby (HOU) - El Paso (ELP)
- Houston Hobby (HOU) - Los Angeles (LAX)
- Houston Hobby (HOU) - Reno (RNO)
- Houston Hobby (HOU) - San Antonio (SAT)
- Kansas City (MCI) - Orlando (MCO)
- Los Angeles (LAX) - Reno (RNO)
- Providence (PVD) - Nashville (BNA)
- San Antonio (SAT) - El Paso (ELP)
- San Antonio (SAT) - Los Angeles (LAX)
- San Antonio (SAT) - Reno (RNO)
- San Diego (SAN) - Kansas City (MCI)
- San Diego (SAN) - Milwaukee (MKE)
- San Diego (SAN) - Orlando (MCO)
- Tampa (TPA) - Saint Louis (STL)
- Tulsa (TUL) - Dallas Love Field (DAL)
- Tulsa (TUL) - Houston Hobby (HOU)