Southwest Airlines vuelo WN 4203: Multiple routes

07:15

Saint Louis (STL) 2

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

Lun
-

Mar
-

Mie
-

Jue
-

Vie
-

Sab
-

Dom

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

Vuelos directos:

Southwest Airlines WN4203

07:00

07:25

Saint Louis (STL) 2

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

Lun
-

Mar

Mie

Jue
-

Vie
-

Sab
-

Dom
-

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

Vuelos directos:

Southwest Airlines WN4203

07:05

11:25

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

Lun
-

Mar

Mie

Jue
-

Vie
-

Sab
-

Dom
-

Duration: 2:20, non-stop
Boeing 737-800 (73H)

Vuelos directos:

Southwest Airlines WN4203

07:15

07:40

Saint Louis (STL) 2

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

Lun
-

Mar
-

Mie
-

Jue
-

Vie
-

Sab

Dom
-

Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Vuelos directos:

Southwest Airlines WN4203

07:40

12:05

Operates only on 2026-04-30

Lun
-

Mar
-

Mie
-

Jue

Vie
-

Sab
-

Dom
-

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

Vuelos directos:

Southwest Airlines WN4203

07:50

Los Angeles (LAX) 1

09:05

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

Lun

Mar

Mie

Jue

Vie

Sab
-

Dom
-

Duration: 1:15, non-stop
Boeing 737-800 (73H)

Vuelos directos:

Southwest Airlines WN4203

07:50

Los Angeles (LAX) 1

09:05

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

Lun
-

Mar

Mie

Jue

Vie

Sab
-

Dom

Duration: 1:15, non-stop
Boeing 737-800 (73H)

Vuelos directos:

Southwest Airlines WN4203

07:50

Los Angeles (LAX) 1

09:05

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

Lun

Mar

Mie

Jue

Vie

Sab
-

Dom
-

Duration: 1:15, non-stop
Boeing 737-800 (73H)

Vuelos directos:

Southwest Airlines WN4203

07:50

Los Angeles (LAX) 1

09:05

Operates only on 2026-02-08

Lun
-

Mar
-

Mie
-

Jue
-

Vie
-

Sab
-

Dom

Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)

Vuelos directos:

Southwest Airlines WN4203

07:50

Los Angeles (LAX) 1

09:05

Effective 2026-02-24 through 2026-03-04

Lun
-

Mar

Mie

Jue
-

Vie
-

Sab
-

Dom
-

Duration: 1:15, non-stop
Boeing 737-800 (73H)

Vuelos directos:

Southwest Airlines WN4203

07:50

12:10

Effective 2026-04-09 through 2026-04-27

Lun

Mar
-

Mie
-

Jue

Vie

Sab
-

Dom
-

Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)

Vuelos directos:

Southwest Airlines WN4203

07:50

12:10

Effective 2026-05-01 through 2026-06-01

Lun

Mar
-

Mie
-

Jue

Vie

Sab
-

Dom
-

Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)

Vuelos directos:

Southwest Airlines WN4203

08:25

14:05

Chicago O'Hare (ORD) 5

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

Lun
-

Mar
-

Mie
-

Jue
-

Vie
-

Sab

Dom
-

Duration: 3:40, non-stop
Boeing 737 MAX 8 (7M8)

Vuelos directos:

Southwest Airlines WN4203

09:05

14:45

Chicago O'Hare (ORD) 5

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

Lun

Mar
-

Mie
-

Jue

Vie

Sab

Dom
-

Duration: 3:40, non-stop
Boeing 737 MAX 8 (7M8)

Vuelos directos:

Southwest Airlines WN4203

09:05

14:45

Chicago O'Hare (ORD) 5

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

Lun
-

Mar
-

Mie
-

Jue

Vie

Sab

Dom

Duration: 3:40, non-stop
Boeing 737 MAX 8 (7M8)

Vuelos directos:

Southwest Airlines WN4203

09:25

13:45

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

Lun
-

Mar
-

Mie
-

Jue
-

Vie
-

Sab
-

Dom

Duration: 2:20, non-stop
Boeing 737-800 (73H)

Vuelos directos:

Southwest Airlines WN4203

09:25

13:45

Operates only on 2026-05-24

Lun
-

Mar
-

Mie
-

Jue
-

Vie
-

Sab
-

Dom

Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Vuelos directos:

Southwest Airlines WN4203

09:25

13:45

Operates only on 2026-05-31

Lun
-

Mar
-

Mie
-

Jue
-

Vie
-

Sab
-

Dom

Duration: 2:20, non-stop
Boeing 737-800 (73H)

Vuelos directos:

Southwest Airlines WN4203

09:45

15:25

Chicago O'Hare (ORD) 5

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

Lun

Mar

Mie

Jue

Vie

Sab
-

Dom
-

Duration: 3:40, non-stop
Boeing 737-800 (73H)

Vuelos directos:

Southwest Airlines WN4203

09:45

15:25

Chicago O'Hare (ORD) 5

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

Lun
-

Mar
-

Mie
-

Jue

Vie

Sab
-

Dom

Duration: 3:40, non-stop
Boeing 737 MAX 8 (7M8)

Vuelos directos:

Southwest Airlines WN4203

09:45

15:25

Chicago O'Hare (ORD) 5

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

Lun
-

Mar

Mie

Jue

Vie

Sab
-

Dom

Duration: 3:40, non-stop
Boeing 737-800 (73H)

Vuelos directos:

Southwest Airlines WN4203

09:45

15:25

Chicago O'Hare (ORD) 5

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

Lun

Mar
-

Mie
-

Jue
-

Vie
-

Sab
-

Dom

Duration: 3:40, non-stop
Boeing 737 MAX 8 (7M8)

Vuelos directos:

Southwest Airlines WN4203

09:45

15:25

Chicago O'Hare (ORD) 5

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

Lun

Mar

Mie

Jue

Vie

Sab
-

Dom
-

Duration: 3:40, non-stop
Boeing 737-800 (73H)

Vuelos directos:

Southwest Airlines WN4203

09:45

15:25

Chicago O'Hare (ORD) 5

Effective 2026-02-01 through 2026-02-08

Lun
-

Mar
-

Mie
-

Jue

Vie

Sab
-

Dom

Duration: 3:40, non-stop
Boeing 737 MAX 8 (7M8)

Vuelos directos:

Southwest Airlines WN4203

09:45

15:25

Chicago O'Hare (ORD) 5

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

Lun

Mar
-

Mie
-

Jue
-

Vie
-

Sab
-

Dom

Duration: 3:40, non-stop
Boeing 737 MAX 8 (7M8)

Vuelos directos:

Southwest Airlines WN4203

09:45

15:25

Chicago O'Hare (ORD) 5

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

Lun
-

Mar

Mie

Jue
-

Vie
-

Sab
-

Dom
-

Duration: 3:40, non-stop
Boeing 737-800 (73H)

Vuelos directos:

Southwest Airlines WN4203

09:45

15:25

Chicago O'Hare (ORD) 5

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

Lun

Mar

Mie
-

Jue

Vie
-

Sab
-

Dom
-

Duration: 3:40, non-stop
Boeing 737 MAX 8 (7M8)

Vuelos directos:

Southwest Airlines WN4203

09:45

15:25

Chicago O'Hare (ORD) 5

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

Lun
-

Mar

Mie

Jue
-

Vie
-

Sab
-

Dom
-

Duration: 3:40, non-stop
Boeing 737-800 (73H)

Vuelos directos:

Southwest Airlines WN4203

09:45

15:25

Chicago O'Hare (ORD) 5

Operates only on 2026-03-02

Lun

Mar
-

Mie
-

Jue
-

Vie
-

Sab
-

Dom
-

Duration: 3:40, non-stop
Boeing 737 MAX 8 (7M8)

Vuelos directos:

Southwest Airlines WN4203

12:05

16:00

Baltimore (BWI)

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

Lun
-

Mar

Mie

Jue
-

Vie
-

Sab
-

Dom
-

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

Vuelos directos:

Southwest Airlines WN4203

14:20

18:40

Effective 2026-03-09 through 2026-04-06

Lun

Mar
-

Mie
-

Jue

Vie

Sab
-

Dom
-

Duration: 2:20, non-stop
Boeing 737-800 (73H)

Vuelos directos:

Southwest Airlines WN4203

14:45

19:05

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

Lun
-

Mar

Mie

Jue
-

Vie
-

Sab
-

Dom
-

Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)

Vuelos directos:

Southwest Airlines WN4203

15:20

18:40

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

Lun
-

Mar
-

Mie
-

Jue

Vie

Sab
-

Dom
-

Duration: 2:20, non-stop
Boeing 737-800 (73H)

Vuelos directos:

Southwest Airlines WN4203

15:20

19:55

Houston Hobby (HOU)

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

Lun
-

Mar
-

Mie
-

Jue
-

Vie
-

Sab
-

Dom

Duration: 2:35, non-stop
Boeing 737-700 (Scimitar Winglets)

Vuelos directos:

Southwest Airlines WN4203

15:35

19:50

Effective 2026-03-14 through 2026-04-04

Lun
-

Mar
-

Mie
-

Jue
-

Vie
-

Sab

Dom
-

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

Vuelos directos:

Southwest Airlines WN4203

16:35

19:50

Operates only on 2026-03-07

Lun
-

Mar
-

Mie
-

Jue
-

Vie
-

Sab

Dom
-

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

Vuelos directos:

Southwest Airlines WN4203

17:25

22:00

Houston Hobby (HOU)

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

Lun

Mar
-

Mie
-

Jue

Vie

Sab
-

Dom
-

Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)

Vuelos directos:

Southwest Airlines WN4203

19:35

20:00

Saint Louis (STL) 2

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

Lun

Mar
-

Mie
-

Jue

Vie

Sab
-

Dom
-

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

Vuelos no directos:

Southwest Airlines WN4203

07:05