Southwest Airlines
lento
WN 3991:
Useita reittejä
LENTOAIKATAULU
Suorat lennot:
Southwest Airlines WN3991
Effective 2026-03-08 through 2026-04-05
Ma
-
-
Ti
-
-
Ke
-
-
To
-
-
Pe
-
-
La
-
-
Su
Duration: 2:45, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Suorat lennot:
Southwest Airlines WN3991
Effective 2026-03-05 through 2026-04-06
Ma
Ti
-
-
Ke
-
-
To
Pe
La
-
-
Su
-
-
Duration: 2:50, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Suorat lennot:
Southwest Airlines WN3991
Effective 2026-03-10 through 2026-04-01
Ma
-
-
Ti
Ke
To
-
-
Pe
-
-
La
-
-
Su
-
-
Duration: 2:45, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Suorat lennot:
Southwest Airlines WN3991
Effective 2026-03-07 through 2026-04-04
Ma
-
-
Ti
-
-
Ke
-
-
To
-
-
Pe
-
-
La
Su
-
-
Duration: 2:45, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Suorat lennot:
Southwest Airlines WN3991
Effective 2026-08-09 through 2026-09-27
Ma
-
-
Ti
-
-
Ke
-
-
To
-
-
Pe
-
-
La
-
-
Su
Duration: 2:10, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Suorat lennot:
Southwest Airlines WN3991
Effective 2026-02-12 through 2026-02-16
Ma
Ti
-
-
Ke
-
-
To
Pe
La
-
-
Su
-
-
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Suorat lennot:
Southwest Airlines WN3991
Effective 2026-02-20 through 2026-03-01
Ma
-
-
Ti
-
-
Ke
-
-
To
Pe
La
-
-
Su
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Suorat lennot:
Southwest Airlines WN3991
Effective 2026-02-05 through 2026-02-09
Ma
Ti
-
-
Ke
-
-
To
Pe
La
-
-
Su
-
-
Duration: 2:25, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Suorat lennot:
Southwest Airlines WN3991
Effective 2026-02-15 through 2026-02-19
Ma
-
-
Ti
Ke
-
-
To
Pe
-
-
La
-
-
Su
Duration: 2:25, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Suorat lennot:
Southwest Airlines WN3991
Effective 2026-02-23 through 2026-03-02
Ma
Ti
-
-
Ke
-
-
To
-
-
Pe
-
-
La
-
-
Su
-
-
Duration: 2:25, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Suorat lennot:
Southwest Airlines WN3991
Effective 2026-06-04 through 2026-08-03
Ma
Ti
-
-
Ke
-
-
To
Pe
La
-
-
Su
-
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Suorat lennot:
Southwest Airlines WN3991
Effective 2026-01-06 through 2026-01-14
Ma
Ti
Ke
To
Pe
La
-
-
Su
-
-
Duration: 1:25, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Suorat lennot:
Southwest Airlines WN3991
Effective 2026-01-18 through 2026-01-23
Ma
-
-
Ti
Ke
To
Pe
La
-
-
Su
Duration: 1:25, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Suorat lennot:
Southwest Airlines WN3991
Effective 2026-01-26 through 2026-02-04
Ma
Ti
Ke
To
Pe
La
-
-
Su
-
-
Duration: 1:25, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Suorat lennot:
Southwest Airlines WN3991
Effective 2026-02-08 through 2026-02-11
Ma
-
-
Ti
-
-
Ke
To
-
-
Pe
-
-
La
-
-
Su
Duration: 1:25, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Suorat lennot:
Southwest Airlines WN3991
Operates only on 2026-02-10
Ma
-
-
Ti
Ke
-
-
To
-
-
Pe
-
-
La
-
-
Su
-
-
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Suorat lennot:
Southwest Airlines WN3991
Effective 2026-02-18 through 2026-03-04
Ma
-
-
Ti
Ke
To
-
-
Pe
-
-
La
-
-
Su
-
-
Duration: 1:25, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Suorat lennot:
Southwest Airlines WN3991
Effective 2026-06-09 through 2026-07-29
Ma
-
-
Ti
Ke
To
-
-
Pe
-
-
La
-
-
Su
-
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Suorat lennot:
Southwest Airlines WN3991
Effective 2026-02-12 through 2026-02-16
Ma
Ti
-
-
Ke
-
-
To
Pe
La
-
-
Su
-
-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Suorat lennot:
Southwest Airlines WN3991
Effective 2026-02-20 through 2026-03-01
Ma
-
-
Ti
-
-
Ke
-
-
To
Pe
La
-
-
Su
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Suorat lennot:
Southwest Airlines WN3991
Effective 2026-02-14 through 2026-02-28
Ma
-
-
Ti
-
-
Ke
-
-
To
-
-
Pe
-
-
La
Su
-
-
Duration: 2:25, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Suorat lennot:
Southwest Airlines WN3991
Effective 2026-08-04 through 2026-09-30
Ma
-
-
Ti
Ke
To
-
-
Pe
-
-
La
-
-
Su
-
-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Suorat lennot:
Southwest Airlines WN3991
Operates only on 2026-05-24
Ma
-
-
Ti
-
-
Ke
-
-
To
-
-
Pe
-
-
La
-
-
Su
Duration: 3:00, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Suorat lennot:
Southwest Airlines WN3991
Effective 2026-08-08 through 2026-09-26
Ma
-
-
Ti
-
-
Ke
-
-
To
-
-
Pe
-
-
La
Su
-
-
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Suorat lennot:
Southwest Airlines WN3991
Effective 2026-08-06 through 2026-09-28
Ma
Ti
-
-
Ke
-
-
To
Pe
La
-
-
Su
-
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Suorat lennot:
Southwest Airlines WN3991
Valid until 2026-01-03
Ma
-
-
Ti
-
-
Ke
-
-
To
-
-
Pe
-
-
La
Su
-
-
Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Suorat lennot:
Southwest Airlines WN3991
Effective 2026-04-11 through 2026-05-30
Ma
-
-
Ti
-
-
Ke
-
-
To
-
-
Pe
-
-
La
Su
-
-
Duration: 4:05, non-stop
Boeing 737-800 (73H)
Lento laskeutuu seuraavan päivän puolella.
Boeing 737-800 (73H)
Lento laskeutuu seuraavan päivän puolella.
Välilaskulliset lennot:
Southwest Airlines WN3991
Effective 2026-02-12 through 2026-02-16
Ma
Ti
-
-
Ke
-
-
To
Pe
La
-
-
Su
-
-
Duration: 4:50, 1-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Välilaskulliset lennot:
Southwest Airlines WN3991
Effective 2026-02-20 through 2026-03-01
Ma
-
-
Ti
-
-
Ke
-
-
To
Pe
La
-
-
Su
Duration: 4:50, 1-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Tällä lennon numerolla lennetään seuraavia reittejä:
- Buffalo (BUF) - Chicago Midway (MDW)
- Chicago Midway (MDW) - Fort Myers (RSW)
- Dallas Love Field (DAL) - Tampa (TPA)
- Fort Lauderdale (FLL) - Austin (AUS)
- New Orleans (MSY) - Ronald Reagan Washington (DCA)
- Phoenix Sky Harbor (PHX) - Oklahoma City (OKC)
- Sacramento (SMF) - Nashville (BNA)
- San Antonio (SAT) - New Orleans (MSY)
- San Antonio (SAT) - Ronald Reagan Washington (DCA)
- San Diego (SAN) - Seattle-Tacoma (SEA)
- Santa Rosa (STS) - Burbank (BUR)