Southwest Airlines vuelo WN 1231: Multiple routes

13:00

Milwaukee (MKE)

Effective 2026-03-07 through 2026-04-04

Lun
-

Mar
-

Mie
-

Jue
-

Vie
-

Sab

Dom
-

Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)

Vuelos directos:

Southwest Airlines WN1231

08:00

Sacramento (SMF) B

09:25

Operates only on 2026-05-24

Lun
-

Mar
-

Mie
-

Jue
-

Vie
-

Sab
-

Dom

Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)

Vuelos directos:

Southwest Airlines WN1231

08:50

Sarasota/Bradenton (SRQ)

11:15

Pittsburgh (PIT)

Effective 2026-04-11 through 2026-05-30

Lun
-

Mar
-

Mie
-

Jue
-

Vie
-

Sab

Dom
-

Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)

Vuelos directos:

Southwest Airlines WN1231

09:35

15:00

Milwaukee (MKE)

Effective 2026-03-10 through 2026-04-01

Lun
-

Mar

Mie

Jue
-

Vie
-

Sab
-

Dom
-

Duration: 3:25, non-stop
Boeing 737-800 (73H)

Vuelos directos:

Southwest Airlines WN1231

10:10

15:40

Milwaukee (MKE)

Effective 2026-03-05 through 2026-04-06

Lun

Mar
-

Mie
-

Jue

Vie

Sab
-

Dom
-

Duration: 3:30, non-stop
Boeing 737-800 (73H)

Vuelos directos:

Southwest Airlines WN1231

10:30

16:00

Milwaukee (MKE)

Effective 2026-03-08 through 2026-04-05

Lun
-

Mar
-

Mie
-

Jue
-

Vie
-

Sab
-

Dom

Duration: 3:30, non-stop
Boeing 737-800 (73H)

Vuelos directos:

Southwest Airlines WN1231

12:25

Bozeman (BZN)

16:20

Chicago Midway (MDW)

Effective 2026-08-06 through 2026-09-28

Lun

Mar
-

Mie
-

Jue

Vie

Sab
-

Dom
-

Duration: 2:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Vuelos directos:

Southwest Airlines WN1231

13:15

San Diego (SAN) 1

15:40

Valid until 2026-01-01

Lun
-

Mar
-

Mie

Jue

Vie
-

Sab
-

Dom
-

Duration: 1:25, non-stop
Boeing 737-700 (73W)

Vuelos directos:

Southwest Airlines WN1231

14:05

San Francisco (SFO) 2

15:45

Effective 2026-08-08 through 2026-09-26

Lun
-

Mar
-

Mie
-

Jue
-

Vie
-

Sab

Dom
-

Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)

Vuelos directos:

Southwest Airlines WN1231

15:50

18:35

Atlanta (ATL) N

Effective 2026-02-14 through 2026-02-28

Lun
-

Mar
-

Mie
-

Jue
-

Vie
-

Sab

Dom
-

Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)

Vuelos directos:

Southwest Airlines WN1231

15:55

18:40

Atlanta (ATL) N

Effective 2026-01-10 through 2026-02-07

Lun
-

Mar
-

Mie
-

Jue
-

Vie
-

Sab

Dom
-

Duration: 2:45, non-stop
Boeing 737-800 (73H)

Vuelos directos:

Southwest Airlines WN1231

16:10

San Francisco (SFO) 2

17:50

Effective 2026-08-09 through 2026-09-27

Lun
-

Mar
-

Mie
-

Jue
-

Vie
-

Sab
-

Dom

Duration: 1:40, non-stop
Boeing 737-800 (73H)

Vuelos directos:

Southwest Airlines WN1231

16:15

20:05

Saint Louis (STL) 2

Valid until 2026-01-01

Lun
-

Mar
-

Mie

Jue

Vie
-

Sab
-

Dom
-

Duration: 2:50, non-stop
Boeing 737-700 (73W)

Vuelos directos:

Southwest Airlines WN1231

16:40

San Francisco (SFO) 2

18:25

Effective 2026-08-04 through 2026-09-30

Lun
-

Mar

Mie

Jue
-

Vie
-

Sab
-

Dom
-

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Vuelos directos:

Southwest Airlines WN1231

16:55

19:40

Atlanta (ATL) N

Effective 2026-02-12 through 2026-02-16

Lun

Mar
-

Mie
-

Jue

Vie

Sab
-

Dom
-

Duration: 2:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Vuelos directos:

Southwest Airlines WN1231

16:55

19:40

Atlanta (ATL) N

Effective 2026-02-20 through 2026-03-01

Lun
-

Mar
-

Mie
-

Jue

Vie

Sab
-

Dom

Duration: 2:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Vuelos directos:

Southwest Airlines WN1231

17:05

Sarasota/Bradenton (SRQ)

19:30

Pittsburgh (PIT)

Effective 2026-04-12 through 2026-05-17

Lun
-

Mar
-

Mie
-

Jue
-

Vie
-

Sab
-

Dom

Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)

Vuelos directos:

Southwest Airlines WN1231

17:05

Sarasota/Bradenton (SRQ)

19:30

Pittsburgh (PIT)

Operates only on 2026-05-31

Lun
-

Mar
-

Mie
-

Jue
-

Vie
-

Sab
-

Dom

Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)

Vuelos directos:

Southwest Airlines WN1231

17:20

Houston Hobby (HOU)

18:35

Effective 2026-06-06 through 2026-08-01

Lun
-

Mar
-

Mie
-

Jue
-

Vie
-

Sab

Dom
-

Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Vuelos directos:

Southwest Airlines WN1231

17:30

20:15

Atlanta (ATL) N

Effective 2026-01-11 through 2026-01-16

Lun
-

Mar
-

Mie
-

Jue

Vie

Sab
-

Dom

Duration: 2:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Vuelos directos:

Southwest Airlines WN1231

17:30

20:15

Atlanta (ATL) N

Effective 2026-01-19 through 2026-01-25

Lun

Mar
-

Mie
-

Jue
-

Vie
-

Sab
-

Dom

Duration: 2:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Vuelos directos:

Southwest Airlines WN1231

17:30

20:15

Atlanta (ATL) N

Effective 2026-02-01 through 2026-02-06

Lun
-

Mar
-

Mie
-

Jue

Vie

Sab
-

Dom

Duration: 2:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Vuelos directos:

Southwest Airlines WN1231

17:30

20:15

Atlanta (ATL) N

Effective 2026-02-09 through 2026-02-15

Lun

Mar
-

Mie
-

Jue
-

Vie
-

Sab
-

Dom

Duration: 2:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Vuelos directos:

Southwest Airlines WN1231

17:30

20:15

Atlanta (ATL) N

Effective 2026-02-17 through 2026-02-23

Lun

Mar

Mie
-

Jue

Vie
-

Sab
-

Dom
-

Duration: 2:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Vuelos directos:

Southwest Airlines WN1231

17:30

20:15

Atlanta (ATL) N

Operates only on 2026-03-02

Lun

Mar
-

Mie
-

Jue
-

Vie
-

Sab
-

Dom
-

Duration: 2:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Vuelos directos:

Southwest Airlines WN1231

19:10

20:05

Effective 2026-06-06 through 2026-08-01

Lun
-

Mar
-

Mie
-

Jue
-

Vie
-

Sab

Dom
-

Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Vuelos directos:

Southwest Airlines WN1231

19:55

Pittsburgh (PIT)

22:20

Tampa (TPA)

Effective 2026-04-07 through 2026-06-03

Lun
-

Mar

Mie

Jue
-

Vie
-

Sab
-

Dom
-

Duration: 2:25, non-stop
Boeing 737-800 (73H)

Vuelos directos:

Southwest Airlines WN1231

19:55

20:45

Effective 2026-06-09 through 2026-07-29

Lun
-

Mar

Mie

Jue
-

Vie
-

Sab
-

Dom
-

Duration: 1:50, non-stop
Boeing 737-800 (73H)

Vuelos directos:

Southwest Airlines WN1231

20:30

00:25(+1)

Saint Louis (STL) 2

Valid until 2026-01-04

Lun
-

Mar
-

Mie
-

Jue
-

Vie
-

Sab
-

Dom

Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Vuelos directos:

Southwest Airlines WN1231

20:40

23:35

Atlanta (ATL) N

Effective 2026-01-06 through 2026-01-14

Lun

Mar

Mie

Jue

Vie

Sab
-

Dom
-

Duration: 2:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Vuelos directos:

Southwest Airlines WN1231

20:40

23:35

Atlanta (ATL) N

Effective 2026-01-18 through 2026-01-23

Lun
-

Mar

Mie

Jue

Vie

Sab
-

Dom

Duration: 2:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Vuelos directos:

Southwest Airlines WN1231

20:40

23:35

Atlanta (ATL) N

Effective 2026-01-26 through 2026-02-04

Lun

Mar

Mie

Jue

Vie

Sab
-

Dom
-

Duration: 2:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Vuelos directos:

Southwest Airlines WN1231

20:40

23:35

Atlanta (ATL) N

Operates only on 2026-02-08

Lun
-

Mar
-

Mie
-

Jue
-

Vie
-

Sab
-

Dom

Duration: 2:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Vuelos directos:

Southwest Airlines WN1231

20:40

23:35

Atlanta (ATL) N

Effective 2026-02-10 through 2026-02-11

Lun
-

Mar

Mie

Jue
-

Vie
-

Sab
-

Dom
-

Duration: 2:55, non-stop
Boeing 737-800 (73H)

Vuelos directos:

Southwest Airlines WN1231

20:40

23:35

Atlanta (ATL) N

Effective 2026-02-18 through 2026-03-04

Lun
-

Mar

Mie

Jue
-

Vie
-

Sab
-

Dom
-

Duration: 2:55, non-stop
Boeing 737-800 (73H)

Vuelos directos:

Southwest Airlines WN1231

20:40

Pittsburgh (PIT)

23:10

Tampa (TPA)

Effective 2026-04-09 through 2026-06-01

Lun

Mar
-

Mie
-

Jue

Vie

Sab
-

Dom
-

Duration: 2:30, non-stop
Boeing 737-800 (73H)

Vuelos directos:

Southwest Airlines WN1231

20:45

00:35(+1)

Saint Louis (STL) 2

Valid until 2026-01-02

Lun

Mar

Mie
-

Jue
-

Vie

Sab
-

Dom
-

Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Vuelos directos:

Southwest Airlines WN1231

20:55

21:45

Effective 2026-06-07 through 2026-08-02

Lun
-

Mar
-

Mie
-

Jue
-

Vie
-

Sab
-

Dom

Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)

Vuelos directos:

Southwest Airlines WN1231

21:05

21:55

Effective 2026-06-04 through 2026-08-03

Lun

Mar
-

Mie
-

Jue

Vie

Sab
-

Dom
-

Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)

Vuelos directos:

Southwest Airlines WN1231

21:25

01:20(+1)

Saint Louis (STL) 2

Valid until 2026-01-03

Lun
-

Mar
-

Mie
-

Jue
-

Vie
-

Sab

Dom
-

Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Vuelos directos:

Southwest Airlines WN1231

22:25

23:30

Effective 2026-06-07 through 2026-08-02

Lun
-

Mar
-

Mie
-

Jue
-

Vie
-

Sab
-

Dom

Duration: 1:05, non-stop
Boeing 737 MAX 8 (7M8)

Vuelos no directos:

Southwest Airlines WN1231

13:15

San Diego (SAN) 1

20:05

Saint Louis (STL) 2

Valid until 2026-01-01

Lun
-

Mar
-

Mie

Jue

Vie
-

Sab
-

Dom
-

Duration: 4:50, 1-stop
Boeing 737-700 (73W)

Vuelos no directos:

Southwest Airlines WN1231

17:20

Houston Hobby (HOU)

20:05

Effective 2026-06-06 through 2026-08-01

Lun
-

Mar
-

Mie
-

Jue
-

Vie
-

Sab

Dom
-

Duration: 4:45, 1-stop
Boeing 737-700 (Scimitar Winglets)

Vuelos no directos:

Southwest Airlines WN1231

20:55

23:30