Southwest Airlines flight WN 4621: Multiple routes

FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 05:35 Tucson (TUS) 06:30 Phoenix Sky Harbor (PHX) 4 WN 4621 Non-stop Boeing 737-700 (Scimitar Winglets) 0:55 Effective 2026-08-06 through 2026-09-28
Mon,Thu,Fri 13:00 Nashville (BNA) 14:55 Albuquerque (ABQ) WN 4621 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-06-04 through 2026-08-03
Sun 14:05 Phoenix Sky Harbor (PHX) 4 18:15 Oklahoma City (OKC) WN 4621 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-08-09 through 2026-09-27
Sun 14:30 Nashville (BNA) 16:25 Albuquerque (ABQ) WN 4621 Non-stop Boeing 737-800 (73H) 2:55 Effective 2026-06-07 through 2026-08-02
Tue,Wed 15:35 Nashville (BNA) 17:30 Albuquerque (ABQ) WN 4621 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-06-09 through 2026-07-29
Mon-Fri 18:35 Tulsa (TUL) 19:25 Denver (DEN) WN 4621 Non-stop Boeing 737-800 (73H) 1:50 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 18:35 Tulsa (TUL) 19:25 Denver (DEN) WN 4621 Non-stop Boeing 737-800 (73H) 1:50 Effective 2026-01-18 through 2026-01-23
Mon-Fri 18:35 Tulsa (TUL) 19:25 Denver (DEN) WN 4621 Non-stop Boeing 737-800 (73H) 1:50 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 18:35 Tulsa (TUL) 19:25 Denver (DEN) WN 4621 Non-stop Boeing 737-800 (73H) 1:50 Effective 2026-02-08 through 2026-02-11
Tue,Wed 18:35 Tulsa (TUL) 19:25 Denver (DEN) WN 4621 Non-stop Boeing 737-800 (73H) 1:50 Effective 2026-02-18 through 2026-03-04
Thu,Fri,Sun 19:00 Tulsa (TUL) 19:55 Denver (DEN) WN 4621 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2026-01-11 through 2026-01-16
Sun 19:00 Tulsa (TUL) 19:55 Denver (DEN) WN 4621 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2026-01-25 through 2026-02-01
Mon,Thu,Fri 19:00 Tulsa (TUL) 19:55 Denver (DEN) WN 4621 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2026-02-05 through 2026-02-09
Tue,Thu,Sun 19:00 Tulsa (TUL) 19:55 Denver (DEN) WN 4621 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2026-02-15 through 2026-02-19
Mon 19:00 Tulsa (TUL) 19:55 Denver (DEN) WN 4621 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2026-02-23 through 2026-03-02
Mon,Thu,Fri 19:00 Houston Hobby (HOU) 21:20 Chicago Midway (MDW) WN 4621 Non-stop Boeing 737-800 (73H) 2:20 Effective 2026-03-09 through 2026-04-06
Mon,Thu,Fri 20:15 Tulsa (TUL) 21:10 Denver (DEN) WN 4621 Non-stop Boeing 737-800 (73H) 1:55 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 20:15 Tulsa (TUL) 21:10 Denver (DEN) WN 4621 Non-stop Boeing 737-800 (73H) 1:55 Effective 2026-02-20 through 2026-03-01
Sat 20:40 Saint Louis (STL) 2 23:10 Atlanta (ATL) N WN 4621 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Operates only on 2026-01-03

This flight number is listed as serving the following routes:

Houston Hobby (HOU) - Chicago Midway (MDW)
Nashville (BNA) - Albuquerque (ABQ)
Phoenix Sky Harbor (PHX) - Oklahoma City (OKC)
Saint Louis (STL) - Atlanta (ATL)
Tucson (TUS) - Phoenix Sky Harbor (PHX)
Tulsa (TUL) - Denver (DEN)

All Southwest Airlines flights

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Southwest Airlines flight WN 4621: Multiple routes

FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN4621

05:35

Tucson (TUS)

06:30

Phoenix Sky Harbor (PHX) 4

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 0:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4621

13:00

Nashville (BNA)

14:55

Albuquerque (ABQ)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4621

14:05

Phoenix Sky Harbor (PHX) 4

18:15

Oklahoma City (OKC)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4621

14:30

Nashville (BNA)

16:25

Albuquerque (ABQ)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4621

15:35

Nashville (BNA)

17:30

Albuquerque (ABQ)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4621

18:35

Tulsa (TUL)

19:25

Denver (DEN)

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4621

18:35

Tulsa (TUL)

19:25

Denver (DEN)

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

Mon
-

Tue

Wed

Thu

Fri

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4621

18:35

Tulsa (TUL)

19:25

Denver (DEN)

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4621

18:35

Tulsa (TUL)

19:25

Denver (DEN)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4621

18:35

Tulsa (TUL)

19:25

Denver (DEN)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4621

19:00

Tulsa (TUL)

19:55

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4621

19:00

Tulsa (TUL)

19:55

Denver (DEN)

Effective 2026-01-25 through 2026-02-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4621

19:00

Tulsa (TUL)

19:55

Denver (DEN)

Effective 2026-02-05 through 2026-02-09

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4621

19:00

Tulsa (TUL)

19:55

Denver (DEN)

Effective 2026-02-15 through 2026-02-19

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4621

19:00

Tulsa (TUL)

19:55

Denver (DEN)

Effective 2026-02-23 through 2026-03-02

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4621

19:00

Houston Hobby (HOU)

21:20

Chicago Midway (MDW)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4621

20:15

Tulsa (TUL)

21:10

Denver (DEN)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:55, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4621

20:15

Tulsa (TUL)

21:10

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:55, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4621

20:40

Saint Louis (STL) 2

23:10

Atlanta (ATL) N

Operates only on 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

This flight number is listed as serving the following routes:

Houston Hobby (HOU) - Chicago Midway (MDW)
Nashville (BNA) - Albuquerque (ABQ)
Phoenix Sky Harbor (PHX) - Oklahoma City (OKC)
Saint Louis (STL) - Atlanta (ATL)
Tucson (TUS) - Phoenix Sky Harbor (PHX)
Tulsa (TUL) - Denver (DEN)

All Southwest Airlines flights

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