Southwest Airlines flight WN 1637: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sat 09:30 Miami (MIA) 10:55 Nashville (BNA) WN 1637 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2026-04-11 through 2026-05-30
Sun 09:40 Miami (MIA) 11:05 Nashville (BNA) WN 1637 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-04-12 through 2026-05-17
Sun 09:40 Miami (MIA) 11:05 Nashville (BNA) WN 1637 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Operates only on 2026-05-31
Mon,Thu,Fri 10:00 Pittsburgh (PIT) 11:05 Baltimore (BWI) WN 1637 Non-stop Boeing 737 MAX 8 (7M8) 1:05 Effective 2026-03-05 through 2026-04-06
Sun 10:35 Miami (MIA) 12:15 Nashville (BNA) WN 1637 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Operates only on 2026-05-24
Tue,Wed 10:55 Pittsburgh (PIT) 12:00 Baltimore (BWI) WN 1637 Non-stop Boeing 737-700 (Scimitar Winglets) 1:05 Effective 2026-03-10 through 2026-04-01
Sat 11:20 Myrtle Beach (MYR) 12:35 Chicago Midway (MDW) WN 1637 Non-stop Boeing 737-800 (73H) 2:15 Effective 2026-03-07 through 2026-04-04
Sun 11:40 Orlando (MCO) 13:55 Baltimore (BWI) WN 1637 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-06-07 through 2026-08-02
Fri,Sun 11:45 Ronald Reagan Washington (DCA) 1 14:15 Orlando (MCO) WN 1637 Non-stop Boeing 737-700 (Scimitar Winglets) 2:30 Effective 2026-01-02 through 2026-01-04
Mon 11:55 Ronald Reagan Washington (DCA) 1 14:25 Orlando (MCO) WN 1637 Non-stop Boeing 737-700 (Scimitar Winglets) 2:30 Operates only on 2026-01-05
Sat 12:40 Ronald Reagan Washington (DCA) 1 15:05 Orlando (MCO) WN 1637 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Operates only on 2026-01-03
Sun 14:05 Myrtle Beach (MYR) 15:20 Chicago Midway (MDW) WN 1637 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-03-08 through 2026-04-05
Mon,Thu,Fri 16:25 Denver (DEN) 18:00 Salt Lake City (SLC) WN 1637 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 16:25 Denver (DEN) 18:00 Salt Lake City (SLC) WN 1637 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2026-02-20 through 2026-03-01
Thu,Fri,Sun 16:35 Denver (DEN) 18:10 Salt Lake City (SLC) WN 1637 Non-stop Boeing 737-800 (73H) 1:35 Effective 2026-01-11 through 2026-01-16
Mon,Sun 16:35 Denver (DEN) 18:10 Salt Lake City (SLC) WN 1637 Non-stop Boeing 737-800 (73H) 1:35 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 16:35 Denver (DEN) 18:10 Salt Lake City (SLC) WN 1637 Non-stop Boeing 737-800 (73H) 1:35 Effective 2026-02-01 through 2026-02-06
Mon,Sat,Sun 16:35 Denver (DEN) 18:10 Salt Lake City (SLC) WN 1637 Non-stop Boeing 737-800 (73H) 1:35 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu,Sat 16:35 Denver (DEN) 18:10 Salt Lake City (SLC) WN 1637 Non-stop Boeing 737-800 (73H) 1:35 Effective 2026-02-17 through 2026-02-23
Mon,Sat 16:35 Denver (DEN) 18:10 Salt Lake City (SLC) WN 1637 Non-stop Boeing 737-800 (73H) 1:35 Effective 2026-02-28 through 2026-03-02
Mon-Fri 18:00 Denver (DEN) 19:50 Salt Lake City (SLC) WN 1637 Non-stop Boeing 737-800 (73H) 1:50 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 18:00 Denver (DEN) 19:50 Salt Lake City (SLC) WN 1637 Non-stop Boeing 737-800 (73H) 1:50 Effective 2026-01-18 through 2026-01-23
Mon-Fri 18:00 Denver (DEN) 19:50 Salt Lake City (SLC) WN 1637 Non-stop Boeing 737-800 (73H) 1:50 Effective 2026-01-26 through 2026-02-04
Tue,Sun 18:00 Denver (DEN) 19:50 Salt Lake City (SLC) WN 1637 Non-stop Boeing 737-800 (73H) 1:50 Effective 2026-02-08 through 2026-02-10
Wed 18:00 Denver (DEN) 19:50 Salt Lake City (SLC) WN 1637 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Operates only on 2026-02-11
Tue,Wed 18:00 Denver (DEN) 19:50 Salt Lake City (SLC) WN 1637 Non-stop Boeing 737-800 (73H) 1:50 Effective 2026-02-18 through 2026-03-04
Tue,Wed 18:20 Miami (MIA) 19:50 Nashville (BNA) WN 1637 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2026-04-07 through 2026-06-03
Wed,Thu 19:00 Ronald Reagan Washington (DCA) 1 21:30 Orlando (MCO) WN 1637 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Valid until 2026-01-01
Mon,Thu,Fri 19:05 Denver (DEN) 20:00 Phoenix Sky Harbor (PHX) 4 WN 1637 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2026-08-06 through 2026-09-28
Mon,Thu,Fri 19:15 Miami (MIA) 20:45 Nashville (BNA) WN 1637 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2026-04-09 through 2026-06-01
Tue,Wed 20:55 Denver (DEN) 21:55 Phoenix Sky Harbor (PHX) 4 WN 1637 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2026-08-04 through 2026-09-30
Sun 20:55 Denver (DEN) 21:55 Phoenix Sky Harbor (PHX) 4 WN 1637 Non-stop Boeing 737-700 (Scimitar Winglets) 2:00 Effective 2026-08-09 through 2026-09-27

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Parallax here

This flight number is listed as serving the following routes:

Denver (DEN) - Phoenix Sky Harbor (PHX)
Denver (DEN) - Salt Lake City (SLC)
Miami (MIA) - Nashville (BNA)
Myrtle Beach (MYR) - Chicago Midway (MDW)
Orlando (MCO) - Baltimore (BWI)
Pittsburgh (PIT) - Baltimore (BWI)
Ronald Reagan Washington (DCA) - Orlando (MCO)

All Southwest Airlines flights

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Southwest Airlines flight WN 1637: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN1637

09:30

Miami (MIA)

10:55

Nashville (BNA)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1637

09:40

Miami (MIA)

11:05

Nashville (BNA)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1637

09:40

Miami (MIA)

11:05

Nashville (BNA)

Operates only on 2026-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1637

10:00

Pittsburgh (PIT)

11:05

Baltimore (BWI)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:05, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1637

10:35

Miami (MIA)

12:15

Nashville (BNA)

Operates only on 2026-05-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1637

10:55

Pittsburgh (PIT)

12:00

Baltimore (BWI)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1637

11:20

Myrtle Beach (MYR)

12:35

Chicago Midway (MDW)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN1637

11:40

Orlando (MCO)

13:55

Baltimore (BWI)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1637

11:45

Ronald Reagan Washington (DCA) 1

14:15

Orlando (MCO)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1637

11:55

Ronald Reagan Washington (DCA) 1

14:25

Orlando (MCO)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1637

12:40

Ronald Reagan Washington (DCA) 1

15:05

Orlando (MCO)

Operates only on 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1637

14:05

Myrtle Beach (MYR)

15:20

Chicago Midway (MDW)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN1637

16:25

Denver (DEN)

18:00

Salt Lake City (SLC)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN1637

16:25

Denver (DEN)

18:00

Salt Lake City (SLC)

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN1637

16:35

Denver (DEN)

18:10

Salt Lake City (SLC)

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:35, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1637

16:35

Denver (DEN)

18:10

Salt Lake City (SLC)

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

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:35, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1637

16:35

Denver (DEN)

18:10

Salt Lake City (SLC)

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:35, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1637

16:35

Denver (DEN)

18:10

Salt Lake City (SLC)

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

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Duration: 1:35, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1637

16:35

Denver (DEN)

18:10

Salt Lake City (SLC)

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

Mon

Tue

Wed
-

Thu

Fri
-

Sat

Sun
-

Duration: 1:35, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1637

16:35

Denver (DEN)

18:10

Salt Lake City (SLC)

Effective 2026-02-28 through 2026-03-02

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:35, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1637

18:00

Denver (DEN)

19:50

Salt Lake City (SLC)

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 WN1637

18:00

Denver (DEN)

19:50

Salt Lake City (SLC)

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 WN1637

18:00

Denver (DEN)

19:50

Salt Lake City (SLC)

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 WN1637

18:00

Denver (DEN)

19:50

Salt Lake City (SLC)

Effective 2026-02-08 through 2026-02-10

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN1637

18:00

Denver (DEN)

19:50

Salt Lake City (SLC)

Operates only on 2026-02-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN1637

18:00

Denver (DEN)

19:50

Salt Lake City (SLC)

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 WN1637

18:20

Miami (MIA)

19:50

Nashville (BNA)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN1637

19:00

Ronald Reagan Washington (DCA) 1

21:30

Orlando (MCO)

Valid until 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN1637

19:05

Denver (DEN)

20:00

Phoenix Sky Harbor (PHX) 4

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN1637

19:15

Miami (MIA)

20:45

Nashville (BNA)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN1637

20:55

Denver (DEN)

21:55

Phoenix Sky Harbor (PHX) 4

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1637

20:55

Denver (DEN)

21:55

Phoenix Sky Harbor (PHX) 4

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:00, non-stop
Boeing 737-700 (Scimitar Winglets)

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Parallax here

This flight number is listed as serving the following routes:

Denver (DEN) - Phoenix Sky Harbor (PHX)
Denver (DEN) - Salt Lake City (SLC)
Miami (MIA) - Nashville (BNA)
Myrtle Beach (MYR) - Chicago Midway (MDW)
Orlando (MCO) - Baltimore (BWI)
Pittsburgh (PIT) - Baltimore (BWI)
Ronald Reagan Washington (DCA) - Orlando (MCO)

All Southwest Airlines flights

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- CACHE: False - LANG: en - IS_EU: False