Southwest Airlines flight WN 4159: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Mon 05:10 Pittsburgh (PIT) 06:50 Denver (DEN) WN 4159 Non-stop Boeing 737-800 (73H) 3:40 Operates only on 2026-01-05
Sat 05:45 Milwaukee (MKE) 06:30 Chicago Midway (MDW) WN 4159 Non-stop Boeing 737-700 (Scimitar Winglets) 0:45 Effective 2026-08-08 through 2026-09-26
Sun 05:45 Milwaukee (MKE) 06:30 Chicago Midway (MDW) WN 4159 Non-stop Boeing 737 MAX 8 (7M8) 0:45 Effective 2026-08-09 through 2026-09-27
Tue,Wed 06:40 Milwaukee (MKE) 07:30 Chicago Midway (MDW) WN 4159 Non-stop Boeing 737-800 (73H) 0:50 Effective 2026-08-04 through 2026-09-30
Sat 07:05 Saint Louis (STL) 2 08:15 Nashville (BNA) WN 4159 Non-stop Boeing 737-800 (73H) 1:10 Effective 2026-04-11 through 2026-05-30
Mon,Thu,Fri 08:55 Nashville (BNA) 11:45 Orlando (MCO) WN 4159 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2026-04-09 through 2026-06-01
Sat 08:55 Nashville (BNA) 11:45 Orlando (MCO) WN 4159 Non-stop Boeing 737-800 (73H) 1:50 Effective 2026-04-11 through 2026-05-30
Sun 12:30 Nashville (BNA) 15:25 Orlando (MCO) WN 4159 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Operates only on 2026-05-24
Tue,Wed 12:40 Nashville (BNA) 15:35 Orlando (MCO) WN 4159 Non-stop Boeing 737-800 (73H) 1:55 Effective 2026-04-07 through 2026-06-03
Sun 12:40 Nashville (BNA) 15:35 Orlando (MCO) WN 4159 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2026-04-12 through 2026-05-17
Sun 12:40 Nashville (BNA) 15:35 Orlando (MCO) WN 4159 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Operates only on 2026-05-31
Tue,Wed 14:20 Portland (PDX) 19:55 Dallas Love Field (DAL) 1 WN 4159 Non-stop Boeing 737-800 (73H) 3:35 Effective 2026-03-10 through 2026-04-01
Sat 15:00 Baltimore (BWI) 16:35 Detroit (DTW) E WN 4159 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2026-06-06 through 2026-08-01
Mon,Thu,Fri 15:05 Portland (PDX) 20:40 Dallas Love Field (DAL) 1 WN 4159 Non-stop Boeing 737 MAX 8 (7M8) 3:35 Effective 2026-03-05 through 2026-04-06
Sat 15:15 Portland (PDX) 20:50 Dallas Love Field (DAL) 1 WN 4159 Non-stop Boeing 737-700 (Scimitar Winglets) 3:35 Effective 2026-03-07 through 2026-04-04
Sun 15:35 Portland (PDX) 21:10 Dallas Love Field (DAL) 1 WN 4159 Non-stop Boeing 737 MAX 8 (7M8) 3:35 Effective 2026-03-08 through 2026-04-05
Mon,Thu,Fri 16:25 Milwaukee (MKE) 17:15 Chicago Midway (MDW) WN 4159 Non-stop Boeing 737 MAX 8 (7M8) 0:50 Effective 2026-08-06 through 2026-09-28
Sat 17:20 Detroit (DTW) E 18:25 Denver (DEN) WN 4159 Non-stop Boeing 737 MAX 8 (7M8) 3:05 Effective 2026-06-06 through 2026-08-01
Mon,Thu,Fri 18:00 Baltimore (BWI) 19:35 Detroit (DTW) E WN 4159 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2026-06-04 through 2026-08-03
Wed,Thu 18:20 Pittsburgh (PIT) 19:50 Denver (DEN) WN 4159 Non-stop Boeing 737-800 (73H) 3:30 Valid until 2026-01-01
Tue,Wed 18:30 Detroit (DTW) E 19:05 Saint Louis (STL) 2 WN 4159 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2026-06-09 through 2026-07-29
Thu,Fri,Sun 19:10 Orlando (MCO) 21:30 Baltimore (BWI) WN 4159 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-01-11 through 2026-01-16
Mon,Sun 19:10 Orlando (MCO) 21:30 Baltimore (BWI) WN 4159 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 19:10 Orlando (MCO) 21:30 Baltimore (BWI) WN 4159 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-02-01 through 2026-02-06
Mon,Sun 19:10 Orlando (MCO) 21:30 Baltimore (BWI) WN 4159 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-02-09 through 2026-02-15
Mon,Tue 19:10 Orlando (MCO) 21:30 Baltimore (BWI) WN 4159 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-02-17 through 2026-02-23
Thu 19:10 Orlando (MCO) 21:30 Baltimore (BWI) WN 4159 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Operates only on 2026-02-19
Mon 19:10 Orlando (MCO) 21:30 Baltimore (BWI) WN 4159 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Operates only on 2026-03-02
Mon,Thu,Fri 19:20 Orlando (MCO) 21:35 Baltimore (BWI) WN 4159 Non-stop Boeing 737-800 (73H) 2:15 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 19:20 Orlando (MCO) 21:35 Baltimore (BWI) WN 4159 Non-stop Boeing 737-800 (73H) 2:15 Effective 2026-02-20 through 2026-03-01
Mon,Thu,Fri 20:15 Detroit (DTW) E 20:50 Saint Louis (STL) 2 WN 4159 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2026-06-04 through 2026-08-03
Sat 20:20 Orlando (MCO) 22:35 Baltimore (BWI) WN 4159 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-01-10 through 2026-02-07
Non-Direct Flights:
Sat 07:05 Saint Louis (STL) 2 11:45 Orlando (MCO) WN 4159 1-stop Boeing 737-800 (73H) 3:40 Effective 2026-04-11 through 2026-05-30
Sat 15:00 Baltimore (BWI) 18:25 Denver (DEN) WN 4159 1-stop Boeing 737 MAX 8 (7M8) 5:25 Effective 2026-06-06 through 2026-08-01
Mon,Thu,Fri 18:00 Baltimore (BWI) 20:50 Saint Louis (STL) 2 WN 4159 1-stop Boeing 737 MAX 8 (7M8) 3:50 Effective 2026-06-04 through 2026-08-03

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This flight number is listed as serving the following routes:

Baltimore (BWI) - Denver (DEN)
Baltimore (BWI) - Detroit (DTW)
Baltimore (BWI) - Saint Louis (STL)
Detroit (DTW) - Denver (DEN)
Detroit (DTW) - Saint Louis (STL)
Milwaukee (MKE) - Chicago Midway (MDW)
Nashville (BNA) - Orlando (MCO)
Orlando (MCO) - Baltimore (BWI)
Pittsburgh (PIT) - Denver (DEN)
Portland (PDX) - Dallas Love Field (DAL)
Saint Louis (STL) - Nashville (BNA)
Saint Louis (STL) - Orlando (MCO)

All Southwest Airlines flights

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Southwest Airlines flight WN 4159: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN4159

05:10

Pittsburgh (PIT)

06:50

Denver (DEN)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4159

05:45

Milwaukee (MKE)

06:30

Chicago Midway (MDW)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 0:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4159

05:45

Milwaukee (MKE)

06:30

Chicago Midway (MDW)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 0:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4159

06:40

Milwaukee (MKE)

07:30

Chicago Midway (MDW)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 0:50, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4159

07:05

Saint Louis (STL) 2

08:15

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 WN4159

08:55

Nashville (BNA)

11:45

Orlando (MCO)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4159

08:55

Nashville (BNA)

11:45

Orlando (MCO)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN4159

12:30

Nashville (BNA)

15:25

Orlando (MCO)

Operates only on 2026-05-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4159

12:40

Nashville (BNA)

15:35

Orlando (MCO)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4159

12:40

Nashville (BNA)

15:35

Orlando (MCO)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4159

12:40

Nashville (BNA)

15:35

Orlando (MCO)

Operates only on 2026-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4159

14:20

Portland (PDX)

19:55

Dallas Love Field (DAL) 1

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:35, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4159

15:00

Baltimore (BWI)

16:35

Detroit (DTW) E

Effective 2026-06-06 through 2026-08-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4159

15:05

Portland (PDX)

20:40

Dallas Love Field (DAL) 1

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4159

15:15

Portland (PDX)

20:50

Dallas Love Field (DAL) 1

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:35, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4159

15:35

Portland (PDX)

21:10

Dallas Love Field (DAL) 1

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4159

16:25

Milwaukee (MKE)

17:15

Chicago Midway (MDW)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 0:50, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4159

17:20

Detroit (DTW) E

18:25

Denver (DEN)

Effective 2026-06-06 through 2026-08-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4159

18:00

Baltimore (BWI)

19:35

Detroit (DTW) E

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4159

18:20

Pittsburgh (PIT)

19:50

Denver (DEN)

Valid until 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:30, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4159

18:30

Detroit (DTW) E

19:05

Saint Louis (STL) 2

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4159

19:10

Orlando (MCO)

21:30

Baltimore (BWI)

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4159

19:10

Orlando (MCO)

21:30

Baltimore (BWI)

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

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4159

19:10

Orlando (MCO)

21:30

Baltimore (BWI)

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4159

19:10

Orlando (MCO)

21:30

Baltimore (BWI)

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

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4159

19:10

Orlando (MCO)

21:30

Baltimore (BWI)

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

Mon

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4159

19:10

Orlando (MCO)

21:30

Baltimore (BWI)

Operates only on 2026-02-19

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4159

19:10

Orlando (MCO)

21:30

Baltimore (BWI)

Operates only on 2026-03-02

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4159

19:20

Orlando (MCO)

21:35

Baltimore (BWI)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:15, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4159

19:20

Orlando (MCO)

21:35

Baltimore (BWI)

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:15, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4159

20:15

Detroit (DTW) E

20:50

Saint Louis (STL) 2

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4159

20:20

Orlando (MCO)

22:35

Baltimore (BWI)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Non-Direct Flights:

Southwest Airlines WN4159

07:05

Saint Louis (STL) 2

11:45

Orlando (MCO)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:40, 1-stop
Boeing 737-800 (73H)

Non-Direct Flights:

Southwest Airlines WN4159

15:00

Baltimore (BWI)

18:25

Denver (DEN)

Effective 2026-06-06 through 2026-08-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:25, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN4159

18:00

Baltimore (BWI)

20:50

Saint Louis (STL) 2

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:50, 1-stop
Boeing 737 MAX 8 (7M8)

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Parallax here

This flight number is listed as serving the following routes:

Baltimore (BWI) - Denver (DEN)
Baltimore (BWI) - Detroit (DTW)
Baltimore (BWI) - Saint Louis (STL)
Detroit (DTW) - Denver (DEN)
Detroit (DTW) - Saint Louis (STL)
Milwaukee (MKE) - Chicago Midway (MDW)
Nashville (BNA) - Orlando (MCO)
Orlando (MCO) - Baltimore (BWI)
Pittsburgh (PIT) - Denver (DEN)
Portland (PDX) - Dallas Love Field (DAL)
Saint Louis (STL) - Nashville (BNA)
Saint Louis (STL) - Orlando (MCO)

All Southwest Airlines flights

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