Southwest Airlines flight WN 4668: Multiple routes

FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 05:05 Phoenix Sky Harbor (PHX) 4 09:40 Houston Hobby (HOU) WN 4668 Non-stop Boeing 737-800 (73H) 2:35 Effective 2026-06-04 through 2026-08-03
Sat,Sun 05:05 Phoenix Sky Harbor (PHX) 4 09:40 Houston Hobby (HOU) WN 4668 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-06-06 through 2026-08-02
Tue,Wed 05:10 Phoenix Sky Harbor (PHX) 4 09:45 Houston Hobby (HOU) WN 4668 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-06-09 through 2026-07-29
Sun 06:25 Saint Louis (STL) 2 07:35 Phoenix Sky Harbor (PHX) 4 WN 4668 Non-stop Boeing 737-700 (Scimitar Winglets) 3:10 Effective 2026-08-09 through 2026-09-27
Sat 06:40 Sarasota/Bradenton (SRQ) 09:00 Baltimore (BWI) WN 4668 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2026-02-14 through 2026-02-28
Tue,Wed,Sun 07:35 Saint Louis (STL) 2 08:45 Nashville (BNA) WN 4668 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2026-04-07 through 2026-05-20
Mon,Thu,Fri 07:35 Saint Louis (STL) 2 08:45 Nashville (BNA) WN 4668 Non-stop Boeing 737-800 (73H) 1:10 Effective 2026-04-09 through 2026-06-01
Tue,Wed,Sun 07:35 Saint Louis (STL) 2 08:45 Nashville (BNA) WN 4668 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2026-05-26 through 2026-06-03
Tue,Wed 07:35 Saint Louis (STL) 2 08:50 Phoenix Sky Harbor (PHX) 4 WN 4668 Non-stop Boeing 737-700 (Scimitar Winglets) 3:15 Effective 2026-08-04 through 2026-09-30
Sun 08:00 Saint Louis (STL) 2 09:10 Nashville (BNA) WN 4668 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Operates only on 2026-05-24
Sat 08:25 Saint Louis (STL) 2 09:40 Phoenix Sky Harbor (PHX) 4 WN 4668 Non-stop Boeing 737-800 (73H) 3:15 Effective 2026-08-08 through 2026-09-26
Sat 09:15 Las Vegas Harry Reid (LAS) 1 16:30 Rochester (ROC) WN 4668 Non-stop Boeing 737 MAX 8 (7M8) 4:15 Valid until 2026-01-03
Mon-Fri 09:30 Phoenix Sky Harbor (PHX) 4 11:15 Spokane (GEG) WN 4668 Non-stop Boeing 737-800 (73H) 2:45 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 09:30 Phoenix Sky Harbor (PHX) 4 11:15 Spokane (GEG) WN 4668 Non-stop Boeing 737-800 (73H) 2:45 Effective 2026-01-18 through 2026-01-23
Mon-Fri 09:30 Phoenix Sky Harbor (PHX) 4 11:15 Spokane (GEG) WN 4668 Non-stop Boeing 737-800 (73H) 2:45 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 09:30 Phoenix Sky Harbor (PHX) 4 11:15 Spokane (GEG) WN 4668 Non-stop Boeing 737-800 (73H) 2:45 Effective 2026-02-08 through 2026-02-11
Tue,Wed 09:30 Phoenix Sky Harbor (PHX) 4 11:15 Spokane (GEG) WN 4668 Non-stop Boeing 737-800 (73H) 2:45 Effective 2026-02-18 through 2026-03-04
Sat 09:40 Baltimore (BWI) 13:05 Phoenix Sky Harbor (PHX) 4 WN 4668 Non-stop Boeing 737-700 (Scimitar Winglets) 5:25 Effective 2026-02-14 through 2026-02-28
Sat 13:45 Phoenix Sky Harbor (PHX) 4 15:30 Spokane (GEG) WN 4668 Non-stop Boeing 737-700 (Scimitar Winglets) 2:45 Effective 2026-02-14 through 2026-02-28
Mon,Thu,Fri 14:10 Phoenix Sky Harbor (PHX) 4 15:55 Spokane (GEG) WN 4668 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 14:10 Phoenix Sky Harbor (PHX) 4 15:55 Spokane (GEG) WN 4668 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-02-20 through 2026-03-01
Thu,Fri,Sun 14:25 Phoenix Sky Harbor (PHX) 4 16:10 Spokane (GEG) WN 4668 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-01-11 through 2026-01-16
Mon,Sun 14:25 Phoenix Sky Harbor (PHX) 4 16:10 Spokane (GEG) WN 4668 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 14:25 Phoenix Sky Harbor (PHX) 4 16:10 Spokane (GEG) WN 4668 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-02-01 through 2026-02-06
Mon,Sun 14:25 Phoenix Sky Harbor (PHX) 4 16:10 Spokane (GEG) WN 4668 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 14:25 Phoenix Sky Harbor (PHX) 4 16:10 Spokane (GEG) WN 4668 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-02-17 through 2026-02-23
Mon 14:25 Phoenix Sky Harbor (PHX) 4 16:10 Spokane (GEG) WN 4668 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Operates only on 2026-03-02
Sat 14:25 Saint Louis (STL) 2 15:35 Nashville (BNA) WN 4668 Non-stop Boeing 737-800 (73H) 1:10 Effective 2026-04-11 through 2026-05-30
Mon,Tue,Fri,Sun 15:50 Las Vegas Harry Reid (LAS) 1 23:10 Rochester (ROC) WN 4668 Non-stop Boeing 737-800 (73H) 4:20 Valid until 2026-01-04
Mon,Thu,Fri 18:00 Saint Louis (STL) 2 19:15 Phoenix Sky Harbor (PHX) 4 WN 4668 Non-stop Boeing 737-700 (Scimitar Winglets) 3:15 Effective 2026-08-06 through 2026-09-28
Sat 19:15 Phoenix Sky Harbor (PHX) 4 21:00 Spokane (GEG) WN 4668 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-01-10 through 2026-01-31
Sat 19:15 Phoenix Sky Harbor (PHX) 4 21:00 Spokane (GEG) WN 4668 Non-stop Boeing 737-700 (Scimitar Winglets) 2:45 Operates only on 2026-02-07
Non-Direct Flights:
Sat 06:40 Sarasota/Bradenton (SRQ) 13:05 Phoenix Sky Harbor (PHX) 4 WN 4668 1-stop Boeing 737-700 (Scimitar Winglets) 8:25 Effective 2026-02-14 through 2026-02-28
Sat 09:40 Baltimore (BWI) 15:30 Spokane (GEG) WN 4668 1-stop Boeing 737-700 (Scimitar Winglets) 8:50 Effective 2026-02-14 through 2026-02-28
Sat 06:40 Sarasota/Bradenton (SRQ) 15:30 Spokane (GEG) WN 4668 2-stop Boeing 737-700 (Scimitar Winglets) 11:50 Effective 2026-02-14 through 2026-02-28

This flight number is listed as serving the following routes:

Baltimore (BWI) - Phoenix Sky Harbor (PHX)
Baltimore (BWI) - Spokane (GEG)
Las Vegas Harry Reid (LAS) - Rochester (ROC)
Phoenix Sky Harbor (PHX) - Houston Hobby (HOU)
Phoenix Sky Harbor (PHX) - Spokane (GEG)
Saint Louis (STL) - Nashville (BNA)
Saint Louis (STL) - Phoenix Sky Harbor (PHX)
Sarasota/Bradenton (SRQ) - Baltimore (BWI)
Sarasota/Bradenton (SRQ) - Phoenix Sky Harbor (PHX)
Sarasota/Bradenton (SRQ) - Spokane (GEG)

All Southwest Airlines flights

Feedback - Disclaimer - Privacy

Southwest Airlines flight WN 4668: Multiple routes

FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN4668

05:05

Phoenix Sky Harbor (PHX) 4

09:40

Houston Hobby (HOU)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:35, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4668

05:05

Phoenix Sky Harbor (PHX) 4

09:40

Houston Hobby (HOU)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

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

Direct Flights:

Southwest Airlines WN4668

05:10

Phoenix Sky Harbor (PHX) 4

09:45

Houston Hobby (HOU)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4668

06:25

Saint Louis (STL) 2

07:35

Phoenix Sky Harbor (PHX) 4

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4668

06:40

Sarasota/Bradenton (SRQ)

09:00

Baltimore (BWI)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN4668

07:35

Saint Louis (STL) 2

08:45

Nashville (BNA)

Effective 2026-04-07 through 2026-05-20

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4668

07:35

Saint Louis (STL) 2

08:45

Nashville (BNA)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4668

07:35

Saint Louis (STL) 2

08:45

Nashville (BNA)

Effective 2026-05-26 through 2026-06-03

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4668

07:35

Saint Louis (STL) 2

08:50

Phoenix Sky Harbor (PHX) 4

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4668

08:00

Saint Louis (STL) 2

09:10

Nashville (BNA)

Operates only on 2026-05-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4668

08:25

Saint Louis (STL) 2

09:40

Phoenix Sky Harbor (PHX) 4

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:15, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4668

09:15

Las Vegas Harry Reid (LAS) 1

16:30

Rochester (ROC)

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4668

09:30

Phoenix Sky Harbor (PHX) 4

11:15

Spokane (GEG)

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4668

09:30

Phoenix Sky Harbor (PHX) 4

11:15

Spokane (GEG)

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

Mon
-

Tue

Wed

Thu

Fri

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4668

09:30

Phoenix Sky Harbor (PHX) 4

11:15

Spokane (GEG)

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4668

09:30

Phoenix Sky Harbor (PHX) 4

11:15

Spokane (GEG)

Effective 2026-02-08 through 2026-02-11

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4668

09:30

Phoenix Sky Harbor (PHX) 4

11:15

Spokane (GEG)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4668

09:40

Baltimore (BWI)

13:05

Phoenix Sky Harbor (PHX) 4

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4668

13:45

Phoenix Sky Harbor (PHX) 4

15:30

Spokane (GEG)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN4668

14:10

Phoenix Sky Harbor (PHX) 4

15:55

Spokane (GEG)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4668

14:10

Phoenix Sky Harbor (PHX) 4

15:55

Spokane (GEG)

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4668

14:25

Phoenix Sky Harbor (PHX) 4

16:10

Spokane (GEG)

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4668

14:25

Phoenix Sky Harbor (PHX) 4

16:10

Spokane (GEG)

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

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4668

14:25

Phoenix Sky Harbor (PHX) 4

16:10

Spokane (GEG)

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4668

14:25

Phoenix Sky Harbor (PHX) 4

16:10

Spokane (GEG)

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

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4668

14:25

Phoenix Sky Harbor (PHX) 4

16:10

Spokane (GEG)

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

Mon

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4668

14:25

Phoenix Sky Harbor (PHX) 4

16:10

Spokane (GEG)

Operates only on 2026-03-02

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4668

14:25

Saint Louis (STL) 2

15:35

Nashville (BNA)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4668

15:50

Las Vegas Harry Reid (LAS) 1

23:10

Rochester (ROC)

Valid until 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 4:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4668

18:00

Saint Louis (STL) 2

19:15

Phoenix Sky Harbor (PHX) 4

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4668

19:15

Phoenix Sky Harbor (PHX) 4

21:00

Spokane (GEG)

Effective 2026-01-10 through 2026-01-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN4668

19:15

Phoenix Sky Harbor (PHX) 4

21:00

Spokane (GEG)

Operates only on 2026-02-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Non-Direct Flights:

Southwest Airlines WN4668

06:40

Sarasota/Bradenton (SRQ)

13:05

Phoenix Sky Harbor (PHX) 4

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 8:25, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN4668

09:40

Baltimore (BWI)

15:30

Spokane (GEG)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 8:50, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN4668

06:40

Sarasota/Bradenton (SRQ)

15:30

Spokane (GEG)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 11:50, 2-stop
Boeing 737-700 (Scimitar Winglets)

This flight number is listed as serving the following routes:

Baltimore (BWI) - Phoenix Sky Harbor (PHX)
Baltimore (BWI) - Spokane (GEG)
Las Vegas Harry Reid (LAS) - Rochester (ROC)
Phoenix Sky Harbor (PHX) - Houston Hobby (HOU)
Phoenix Sky Harbor (PHX) - Spokane (GEG)
Saint Louis (STL) - Nashville (BNA)
Saint Louis (STL) - Phoenix Sky Harbor (PHX)
Sarasota/Bradenton (SRQ) - Baltimore (BWI)
Sarasota/Bradenton (SRQ) - Phoenix Sky Harbor (PHX)
Sarasota/Bradenton (SRQ) - Spokane (GEG)

All Southwest Airlines flights

Feedback - Disclaimer - Privacy