Southwest Airlines flight WN 3751: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sun 05:50 Salt Lake City (SLC) 06:30 Phoenix Sky Harbor (PHX) 4 WN 3751 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2026-06-07 through 2026-08-02
Mon,Thu-Sat 06:15 Salt Lake City (SLC) 06:55 Phoenix Sky Harbor (PHX) 4 WN 3751 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2026-06-04 through 2026-08-03
Mon,Thu,Fri 09:00 New York LaGuardia (LGA) B 10:35 Chicago Midway (MDW) WN 3751 Non-stop Boeing 737-800 (73H) 2:35 Effective 2026-03-05 through 2026-04-06
Mon,Thu,Fri 11:15 Chicago Midway (MDW) 12:30 Saint Louis (STL) 2 WN 3751 Non-stop Boeing 737-800 (73H) 1:15 Effective 2026-03-05 through 2026-04-06
Tue,Wed 11:35 Salt Lake City (SLC) 12:15 Phoenix Sky Harbor (PHX) 4 WN 3751 Non-stop Boeing 737-800 (73H) 1:40 Effective 2026-06-09 through 2026-07-29
Sun 11:50 Phoenix Sky Harbor (PHX) 4 17:00 Nashville (BNA) WN 3751 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2026-04-12 through 2026-05-17
Sun 11:50 Phoenix Sky Harbor (PHX) 4 17:00 Nashville (BNA) WN 3751 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Operates only on 2026-05-31
Sat 12:30 Saint Louis (STL) 2 15:25 Baltimore (BWI) WN 3751 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Operates only on 2026-02-21
Sun 12:30 Chicago Midway (MDW) 13:40 Saint Louis (STL) 2 WN 3751 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2026-03-08 through 2026-04-05
Sat 12:40 Saint Louis (STL) 2 15:35 Baltimore (BWI) WN 3751 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Operates only on 2026-02-14
Sat 12:40 Saint Louis (STL) 2 15:35 Baltimore (BWI) WN 3751 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Operates only on 2026-02-28
Tue,Wed 12:40 Phoenix Sky Harbor (PHX) 4 17:50 Nashville (BNA) WN 3751 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2026-04-07 through 2026-06-03
Sat 13:05 Sacramento (SMF) B 14:35 Santa Ana (SNA) WN 3751 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-08-08 through 2026-09-26
Tue,Wed 13:15 Sacramento (SMF) B 14:45 Santa Ana (SNA) WN 3751 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-08-04 through 2026-09-30
Mon,Thu,Fri 13:45 Phoenix Sky Harbor (PHX) 4 18:55 Nashville (BNA) WN 3751 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2026-04-09 through 2026-06-01
Sun 14:25 Sacramento (SMF) B 15:55 Santa Ana (SNA) WN 3751 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-08-09 through 2026-09-27
Mon,Thu,Fri 14:30 Sacramento (SMF) B 16:00 Santa Ana (SNA) WN 3751 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-08-06 through 2026-09-28
Thu,Fri 15:00 Saint Louis (STL) 2 17:55 Baltimore (BWI) WN 3751 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2026-02-12 through 2026-02-13
Mon,Fri,Sun 15:05 Saint Louis (STL) 2 18:00 Baltimore (BWI) WN 3751 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2026-02-16 through 2026-02-22
Thu,Fri,Sun 15:05 Saint Louis (STL) 2 18:00 Baltimore (BWI) WN 3751 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2026-02-26 through 2026-03-01
Sat 17:20 Nashville (BNA) 23:15 Luis Munoz Marin, San Juan (SJU) B WN 3751 Non-stop Boeing 737-800 (73H) 3:55 Valid until 2026-01-03
Mon,Sun 18:45 Fort Lauderdale (FLL) 1 22:15 Luis Munoz Marin, San Juan (SJU) B WN 3751 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2026-01-19 through 2026-01-25
Non-Direct Flights:
Mon,Thu,Fri 09:00 New York LaGuardia (LGA) B 12:30 Saint Louis (STL) 2 WN 3751 1-stop Boeing 737-800 (73H) 4:30 Effective 2026-03-05 through 2026-04-06

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This flight number is listed as serving the following routes:

Chicago Midway (MDW) - Saint Louis (STL)
Fort Lauderdale (FLL) - Luis Munoz Marin, San Juan (SJU)
Nashville (BNA) - Luis Munoz Marin, San Juan (SJU)
New York LaGuardia (LGA) - Chicago Midway (MDW)
New York LaGuardia (LGA) - Saint Louis (STL)
Phoenix Sky Harbor (PHX) - Nashville (BNA)
Sacramento (SMF) - Santa Ana (SNA)
Saint Louis (STL) - Baltimore (BWI)
Salt Lake City (SLC) - Phoenix Sky Harbor (PHX)

All Southwest Airlines flights

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Southwest Airlines flight WN 3751: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN3751

05:50

Salt Lake City (SLC)

06:30

Phoenix Sky Harbor (PHX) 4

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN3751

06:15

Salt Lake City (SLC)

06:55

Phoenix Sky Harbor (PHX) 4

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN3751

09:00

New York LaGuardia (LGA) B

10:35

Chicago Midway (MDW)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3751

11:15

Chicago Midway (MDW)

12:30

Saint Louis (STL) 2

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3751

11:35

Salt Lake City (SLC)

12:15

Phoenix Sky Harbor (PHX) 4

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:40, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3751

11:50

Phoenix Sky Harbor (PHX) 4

17:00

Nashville (BNA)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3751

11:50

Phoenix Sky Harbor (PHX) 4

17:00

Nashville (BNA)

Operates only on 2026-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3751

12:30

Saint Louis (STL) 2

15:25

Baltimore (BWI)

Operates only on 2026-02-21

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN3751

12:30

Chicago Midway (MDW)

13:40

Saint Louis (STL) 2

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN3751

12:40

Saint Louis (STL) 2

15:35

Baltimore (BWI)

Operates only on 2026-02-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN3751

12:40

Saint Louis (STL) 2

15:35

Baltimore (BWI)

Operates only on 2026-02-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN3751

12:40

Phoenix Sky Harbor (PHX) 4

17:50

Nashville (BNA)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3751

13:05

Sacramento (SMF) B

14:35

Santa Ana (SNA)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3751

13:15

Sacramento (SMF) B

14:45

Santa Ana (SNA)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3751

13:45

Phoenix Sky Harbor (PHX) 4

18:55

Nashville (BNA)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3751

14:25

Sacramento (SMF) B

15:55

Santa Ana (SNA)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3751

14:30

Sacramento (SMF) B

16:00

Santa Ana (SNA)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3751

15:00

Saint Louis (STL) 2

17:55

Baltimore (BWI)

Effective 2026-02-12 through 2026-02-13

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3751

15:05

Saint Louis (STL) 2

18:00

Baltimore (BWI)

Effective 2026-02-16 through 2026-02-22

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3751

15:05

Saint Louis (STL) 2

18:00

Baltimore (BWI)

Effective 2026-02-26 through 2026-03-01

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3751

17:20

Nashville (BNA)

23:15

Luis Munoz Marin, San Juan (SJU) B

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:55, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3751

18:45

Fort Lauderdale (FLL) 1

22:15

Luis Munoz Marin, San Juan (SJU) B

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

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Non-Direct Flights:

Southwest Airlines WN3751

09:00

New York LaGuardia (LGA) B

12:30

Saint Louis (STL) 2

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:30, 1-stop
Boeing 737-800 (73H)

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Parallax here

This flight number is listed as serving the following routes:

Chicago Midway (MDW) - Saint Louis (STL)
Fort Lauderdale (FLL) - Luis Munoz Marin, San Juan (SJU)
Nashville (BNA) - Luis Munoz Marin, San Juan (SJU)
New York LaGuardia (LGA) - Chicago Midway (MDW)
New York LaGuardia (LGA) - Saint Louis (STL)
Phoenix Sky Harbor (PHX) - Nashville (BNA)
Sacramento (SMF) - Santa Ana (SNA)
Saint Louis (STL) - Baltimore (BWI)
Salt Lake City (SLC) - Phoenix Sky Harbor (PHX)

All Southwest Airlines flights

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