Southwest Airlines vol WN 3431: Multiple routes

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

Lun

Mar
-

Mer
-

Jeu

Ven

Sam
-

Dim
-

Duration: 2:15, non-stop
Boeing 737-800 (73H)

Vols directs:

Southwest Airlines WN3431

11:30

Las Vegas Harry Reid (LAS) 1

18:20

Detroit (DTW) E

Valid until 2026-01-01

Lun
-

Mar
-

Mer

Jeu

Ven
-

Sam
-

Dim
-

Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)

Vols directs:

Southwest Airlines WN3431

12:20

Miami (MIA)

14:30

Saint Louis (STL) 2

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

Lun
-

Mar
-

Mer
-

Jeu
-

Ven
-

Sam
-

Dim

Duration: 3:10, non-stop
Boeing 737-800 (73H)

Vols directs:

Southwest Airlines WN3431

12:20

Miami (MIA)

14:30

Saint Louis (STL) 2

Operates only on 2026-05-31

Lun
-

Mar
-

Mer
-

Jeu
-

Ven
-

Sam
-

Dim

Duration: 3:10, non-stop
Boeing 737-800 (73H)

Vols directs:

Southwest Airlines WN3431

15:05

Orlando (MCO)

17:35

Philadelphia (PHL) E

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

Lun
-

Mar
-

Mer
-

Jeu
-

Ven
-

Sam
-

Dim

Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)

Vols directs:

Southwest Airlines WN3431

16:15

Miami (MIA)

18:10

Saint Louis (STL) 2

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

Lun
-

Mar
-

Mer
-

Jeu
-

Ven
-

Sam

Dim
-

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

Vols directs:

Southwest Airlines WN3431

16:30

19:30

Valid until 2026-01-02

Lun

Mar

Mer
-

Jeu
-

Ven

Sam
-

Dim

Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)

Vols directs:

Southwest Airlines WN3431

16:30

19:30

Operates only on 2026-01-04

Lun
-

Mar
-

Mer
-

Jeu
-

Ven
-

Sam
-

Dim

Duration: 4:00, non-stop
Boeing 737-700 (Scimitar Winglets)

Vols directs:

Southwest Airlines WN3431

16:50

19:55

Valid until 2026-01-03

Lun
-

Mar
-

Mer
-

Jeu
-

Ven
-

Sam

Dim
-

Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)

Vols directs:

Southwest Airlines WN3431

17:25

Miami (MIA)

19:30

Saint Louis (STL) 2

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

Lun

Mar
-

Mer
-

Jeu

Ven

Sam
-

Dim
-

Duration: 3:05, non-stop
Boeing 737-700 (Scimitar Winglets)

Vols directs:

Southwest Airlines WN3431

18:10

Raleigh/Durham (RDU) 1

20:00

Orlando (MCO)

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

Lun

Mar
-

Mer
-

Jeu

Ven

Sam
-

Dim
-

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

Vols directs:

Southwest Airlines WN3431

18:10

Raleigh/Durham (RDU) 1

20:00

Orlando (MCO)

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

Lun
-

Mar

Mer

Jeu
-

Ven
-

Sam
-

Dim

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

Vols directs:

Southwest Airlines WN3431

19:00

Detroit (DTW) E

19:10

Valid until 2026-01-01

Lun
-

Mar
-

Mer

Jeu

Ven
-

Sam
-

Dim
-

Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)

Vols directs:

Southwest Airlines WN3431

20:25

Detroit (DTW) E

20:35

Operates only on 2026-01-05

Lun

Mar
-

Mer
-

Jeu
-

Ven
-

Sam
-

Dim
-

Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Vols directs:

Southwest Airlines WN3431

20:35

22:25

Salt Lake City (SLC)

Valid until 2026-01-03

Lun
-

Mar
-

Mer
-

Jeu
-

Ven
-

Sam

Dim
-

Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)

Vols directs:

Southwest Airlines WN3431

22:40

San Diego (SAN) 1

04:30(+1)

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

Lun

Mar

Mer

Jeu

Ven

Sam

Dim

Duration: 3:50, non-stop
Boeing 737-700 (Scimitar Winglets)
The flight arrives 1 day after departure.

Vols indirects:

Southwest Airlines WN3431

08:15

Orlando (MCO)

12:40

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

Lun

Mar
-

Mer
-

Jeu

Ven

Sam
-

Dim
-

Duration: 5:25, 1-stop
Boeing 737-800 (73H)

Vols indirects:

Southwest Airlines WN3431

11:30

Las Vegas Harry Reid (LAS) 1

19:10

Valid until 2026-01-01

Lun
-

Mar
-

Mer

Jeu

Ven
-

Sam
-

Dim
-

Duration: 5:40, 1-stop
Boeing 737 MAX 8 (7M8)

Vols indirects:

Southwest Airlines WN3431

16:50