Southwest Airlines flight WN 4151: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Tue,Wed 05:45 Phoenix Sky Harbor (PHX) 4 09:35 Saint Louis (STL) 2 WN 4151 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2025-11-04 through 2025-11-12
Mon-Thu 05:45 Phoenix Sky Harbor (PHX) 4 09:35 Saint Louis (STL) 2 WN 4151 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2025-11-17 through 2025-11-20
Mon-Fri 05:45 Phoenix Sky Harbor (PHX) 4 09:35 Saint Louis (STL) 2 WN 4151 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2025-12-02 through 2025-12-11
Mon-Wed 05:45 Phoenix Sky Harbor (PHX) 4 09:35 Saint Louis (STL) 2 WN 4151 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2025-12-15 through 2025-12-17
Wed,Thu 05:45 Phoenix Sky Harbor (PHX) 4 09:35 Saint Louis (STL) 2 WN 4151 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2025-12-24 through 2026-01-01
Tue,Wed 12:55 Baltimore (BWI) 14:20 Manchester (MHT) WN 4151 Non-stop Boeing 737-700 (73W) 1:25 Valid until 2025-06-04
Sat 13:15 Phoenix Sky Harbor (PHX) 4 17:05 Saint Louis (STL) 2 WN 4151 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2025-11-22 through 2025-11-29
Sat 13:15 Phoenix Sky Harbor (PHX) 4 17:05 Saint Louis (STL) 2 WN 4151 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2025-12-20 through 2026-01-03
Mon,Thu,Fri,Sun 14:10 Phoenix Sky Harbor (PHX) 4 18:00 Saint Louis (STL) 2 WN 4151 Non-stop Boeing 737-800 (73H) 2:50 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 14:10 Phoenix Sky Harbor (PHX) 4 18:00 Saint Louis (STL) 2 WN 4151 Non-stop Boeing 737-800 (73H) 2:50 Effective 2025-11-21 through 2025-11-28
Fri,Sun 14:10 Phoenix Sky Harbor (PHX) 4 18:00 Saint Louis (STL) 2 WN 4151 Non-stop Boeing 737-800 (73H) 2:50 Effective 2025-12-07 through 2025-12-14
Thu 14:10 Phoenix Sky Harbor (PHX) 4 18:00 Saint Louis (STL) 2 WN 4151 Non-stop Boeing 737-800 (73H) 2:50 Operates only on 2025-12-18
Mon 14:10 Phoenix Sky Harbor (PHX) 4 18:00 Saint Louis (STL) 2 WN 4151 Non-stop Boeing 737-800 (73H) 2:50 Operates only on 2026-01-05
Mon-Wed 14:25 Phoenix Sky Harbor (PHX) 4 18:15 Saint Louis (STL) 2 WN 4151 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 14:25 Phoenix Sky Harbor (PHX) 4 18:15 Saint Louis (STL) 2 WN 4151 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2025-12-19 through 2026-01-04
Sat 15:10 Phoenix Sky Harbor (PHX) 4 19:05 Saint Louis (STL) 2 WN 4151 Non-stop Boeing 737-800 (73H) 2:55 Effective 2025-11-08 through 2025-11-15
Sat 15:10 Phoenix Sky Harbor (PHX) 4 19:05 Saint Louis (STL) 2 WN 4151 Non-stop Boeing 737-800 (73H) 2:55 Effective 2025-12-06 through 2025-12-13
Sun 21:00 Baltimore (BWI) 22:25 Manchester (MHT) WN 4151 Non-stop Boeing 737-800 (73H) 1:25 Operates only on 2025-05-25
Mon,Thu,Fri 21:45 Baltimore (BWI) 23:10 Manchester (MHT) WN 4151 Non-stop Boeing 737-800 (73H) 1:25 Valid until 2025-06-02
Sat 21:50 Baltimore (BWI) 23:15 Manchester (MHT) WN 4151 Non-stop Boeing 737-800 (73H) 1:25 Valid until 2025-05-31
Sun 22:50 Baltimore (BWI) 00:15 Manchester (MHT) WN 4151 Non-stop Boeing 737-800 (73H) 1:25 Valid until 2025-05-18 The flight arrives 1 day after departure.
Sun 22:50 Baltimore (BWI) 00:15 Manchester (MHT) WN 4151 Non-stop Boeing 737-800 (73H) 1:25 Operates only on 2025-06-01 The flight arrives 1 day after departure.

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Parallax here -

This flight number is listed as serving the following routes:

Baltimore (BWI) - Manchester (MHT)
Phoenix Sky Harbor (PHX) - Saint Louis (STL)

All Southwest Airlines flights

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Southwest Airlines flight WN 4151: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN4151

05:45

Phoenix Sky Harbor (PHX) 4

09:35

Saint Louis (STL) 2

Effective 2025-11-04 through 2025-11-12

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Southwest Airlines WN4151

05:45

Phoenix Sky Harbor (PHX) 4

09:35

Saint Louis (STL) 2

Effective 2025-11-17 through 2025-11-20

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun
-

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

Southwest Airlines WN4151

05:45

Phoenix Sky Harbor (PHX) 4

09:35

Saint Louis (STL) 2

Effective 2025-12-02 through 2025-12-11

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

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

Southwest Airlines WN4151

05:45

Phoenix Sky Harbor (PHX) 4

09:35

Saint Louis (STL) 2

Effective 2025-12-15 through 2025-12-17

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Southwest Airlines WN4151

05:45

Phoenix Sky Harbor (PHX) 4

09:35

Saint Louis (STL) 2

Effective 2025-12-24 through 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

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

Southwest Airlines WN4151

12:55

Baltimore (BWI)

14:20

Manchester (MHT)

Valid until 2025-06-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Southwest Airlines WN4151

13:15

Phoenix Sky Harbor (PHX) 4

17:05

Saint Louis (STL) 2

Effective 2025-11-22 through 2025-11-29

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Southwest Airlines WN4151

13:15

Phoenix Sky Harbor (PHX) 4

17:05

Saint Louis (STL) 2

Effective 2025-12-20 through 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Southwest Airlines WN4151

14:10

Phoenix Sky Harbor (PHX) 4

18:00

Saint Louis (STL) 2

Effective 2025-11-02 through 2025-11-16

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:50, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4151

14:10

Phoenix Sky Harbor (PHX) 4

18:00

Saint Louis (STL) 2

Effective 2025-11-21 through 2025-11-28

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 2:50, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4151

14:10

Phoenix Sky Harbor (PHX) 4

18:00

Saint Louis (STL) 2

Effective 2025-12-07 through 2025-12-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 2:50, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4151

14:10

Phoenix Sky Harbor (PHX) 4

18:00

Saint Louis (STL) 2

Operates only on 2025-12-18

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:50, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4151

14:10

Phoenix Sky Harbor (PHX) 4

18:00

Saint Louis (STL) 2

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:50, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4151

14:25

Phoenix Sky Harbor (PHX) 4

18:15

Saint Louis (STL) 2

Effective 2025-11-25 through 2025-12-01

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Southwest Airlines WN4151

14:25

Phoenix Sky Harbor (PHX) 4

18:15

Saint Louis (STL) 2

Effective 2025-12-19 through 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

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

Southwest Airlines WN4151

15:10

Phoenix Sky Harbor (PHX) 4

19:05

Saint Louis (STL) 2

Effective 2025-11-08 through 2025-11-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Southwest Airlines WN4151

15:10

Phoenix Sky Harbor (PHX) 4

19:05

Saint Louis (STL) 2

Effective 2025-12-06 through 2025-12-13

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Southwest Airlines WN4151

21:00

Baltimore (BWI)

22:25

Manchester (MHT)

Operates only on 2025-05-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Southwest Airlines WN4151

21:45

Baltimore (BWI)

23:10

Manchester (MHT)

Valid until 2025-06-02

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Southwest Airlines WN4151

21:50

Baltimore (BWI)

23:15

Manchester (MHT)

Valid until 2025-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Southwest Airlines WN4151

22:50

Baltimore (BWI)

00:15(+1)

Manchester (MHT)

Valid until 2025-05-18

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:25, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Southwest Airlines WN4151

22:50

Baltimore (BWI)

00:15(+1)

Manchester (MHT)

Operates only on 2025-06-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:25, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

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Parallax here -

This flight number is listed as serving the following routes:

Baltimore (BWI) - Manchester (MHT)
Phoenix Sky Harbor (PHX) - Saint Louis (STL)

All Southwest Airlines flights

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