Southwest Airlines flight WN 420: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 05:50 Hartford (BDL) 07:10 Baltimore (BWI)
WN 420 Non-stop Boeing 737-800 (73H) 1:20 Effective 2026-06-04 through 2026-08-03
Tue,Wed 05:55 Hartford (BDL) 07:20 Baltimore (BWI)
WN 420 Non-stop Boeing 737-800 (73H) 1:25 Effective 2026-06-09 through 2026-07-29
Sat 06:00 Hartford (BDL) 07:25 Baltimore (BWI)
WN 420 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-06-06 through 2026-08-01
Wed,Thu 08:15 Saint Louis (STL) 2 11:25 Philadelphia (PHL) E
WN 420 Non-stop Boeing 737-800 (73H) 2:10 Valid until 2026-01-01
Mon,Thu,Fri 09:25 Ronald Reagan Washington (DCA) 1 11:25 Dallas Love Field (DAL) 1
WN 420 Non-stop Boeing 737-700 (Scimitar Winglets) 3:00 Effective 2026-08-06 through 2026-09-28
Sat 09:25 Ronald Reagan Washington (DCA) 1 11:25 Dallas Love Field (DAL) 1
WN 420 Non-stop Boeing 737-800 (73H) 3:00 Effective 2026-08-08 through 2026-09-26
Sat 09:50 Santa Ana (SNA) 11:10 San Jose (SJC) B
WN 420 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Operates only on 2026-01-03
Sat 10:15 Denver (DEN) 13:20 Dallas Love Field (DAL) 1
WN 420 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2026-04-11 through 2026-05-30
Mon,Thu,Fri 10:25 Denver (DEN) 13:25 Dallas Love Field (DAL) 1
WN 420 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2026-04-09 through 2026-06-01
Sun 10:25 Denver (DEN) 13:25 Dallas Love Field (DAL) 1
WN 420 Non-stop Boeing 737-800 (73H) 2:00 Effective 2026-04-12 through 2026-05-17
Sun 10:25 Denver (DEN) 13:25 Dallas Love Field (DAL) 1
WN 420 Non-stop Boeing 737-800 (73H) 2:00 Operates only on 2026-05-31
Tue,Wed 11:10 Dallas Love Field (DAL) 1 11:55 Albuquerque (ABQ)
WN 420 Non-stop Boeing 737-800 (73H) 1:45 Effective 2026-08-04 through 2026-09-30
Sat 11:45 San Jose (SJC) B 17:55 Nashville (BNA)
WN 420 Non-stop Boeing 737-700 (Scimitar Winglets) 4:10 Operates only on 2026-01-03
Mon,Thu,Fri 12:20 Dallas Love Field (DAL) 1 13:05 Albuquerque (ABQ)
WN 420 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-08-06 through 2026-09-28
Mon,Thu,Fri 12:35 Orlando (MCO) 14:55 Ronald Reagan Washington (DCA) 1
WN 420 Non-stop Boeing 737-800 (73H) 2:20 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 12:35 Orlando (MCO) 14:55 Ronald Reagan Washington (DCA) 1
WN 420 Non-stop Boeing 737-800 (73H) 2:20 Effective 2026-02-20 through 2026-03-01
Sun 13:20 Dallas Love Field (DAL) 1 14:05 Albuquerque (ABQ)
WN 420 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-08-09 through 2026-09-27
Mon-Fri 13:25 Orlando (MCO) 15:45 Ronald Reagan Washington (DCA) 1
WN 420 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 13:25 Orlando (MCO) 15:45 Ronald Reagan Washington (DCA) 1
WN 420 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-01-18 through 2026-01-23
Mon-Fri 13:25 Orlando (MCO) 15:45 Ronald Reagan Washington (DCA) 1
WN 420 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sat,Sun 13:25 Orlando (MCO) 15:45 Ronald Reagan Washington (DCA) 1
WN 420 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-02-08 through 2026-02-14
Tue,Wed,Sat 13:25 Orlando (MCO) 15:45 Ronald Reagan Washington (DCA) 1
WN 420 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-02-18 through 2026-03-04
Tue,Wed 13:25 Nashville (BNA) 15:45 Las Vegas Harry Reid (LAS) 1
WN 420 Non-stop Boeing 737 MAX 8 (7M8) 4:20 Effective 2026-03-10 through 2026-04-01
Sat 13:35 Orlando (MCO) 15:55 Ronald Reagan Washington (DCA) 1
WN 420 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-01-10 through 2026-02-07
Thu,Fri,Sun 13:40 Orlando (MCO) 16:00 Ronald Reagan Washington (DCA) 1
WN 420 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-01-11 through 2026-01-16
Mon,Sun 13:40 Orlando (MCO) 16:00 Ronald Reagan Washington (DCA) 1
WN 420 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 13:40 Orlando (MCO) 16:00 Ronald Reagan Washington (DCA) 1
WN 420 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-02-01 through 2026-02-06
Mon,Sun 13:40 Orlando (MCO) 16:00 Ronald Reagan Washington (DCA) 1
WN 420 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 13:40 Orlando (MCO) 16:00 Ronald Reagan Washington (DCA) 1
WN 420 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-02-17 through 2026-02-23
Mon 13:40 Orlando (MCO) 16:00 Ronald Reagan Washington (DCA) 1
WN 420 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Operates only on 2026-03-02
Sat 13:40 Nashville (BNA) 16:00 Las Vegas Harry Reid (LAS) 1
WN 420 Non-stop Boeing 737-800 (73H) 4:20 Effective 2026-03-07 through 2026-04-04
Sat 14:00 Dallas Love Field (DAL) 1 15:25 New Orleans (MSY)
WN 420 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2026-04-11 through 2026-05-30
Sun 14:15 Nashville (BNA) 16:35 Las Vegas Harry Reid (LAS) 1
WN 420 Non-stop Boeing 737-800 (73H) 4:20 Effective 2026-03-08 through 2026-04-05
Mon,Thu,Fri 14:35 Nashville (BNA) 16:55 Las Vegas Harry Reid (LAS) 1
WN 420 Non-stop Boeing 737-800 (73H) 4:20 Effective 2026-03-05 through 2026-04-06
Fri 18:25 Nashville (BNA) 20:20 Tulsa (TUL)
WN 420 Non-stop Boeing 737-800 (73H) 1:55 Operates only on 2026-01-02
Sat,Sun 18:30 Nashville (BNA) 20:25 Tulsa (TUL)
WN 420 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2026-01-03 through 2026-01-04
Sun 20:00 Birmingham (BHM) 21:45 Houston Hobby (HOU)
WN 420 Non-stop Boeing 737-800 (73H) 1:45 Effective 2026-06-07 through 2026-08-02
Mon 20:30 Tulsa (TUL) 21:15 Denver (DEN)
WN 420 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Operates only on 2026-01-05
Fri 21:00 Tulsa (TUL) 21:45 Denver (DEN)
WN 420 Non-stop Boeing 737-800 (73H) 1:45 Operates only on 2026-01-02
Sun 21:00 Tulsa (TUL) 21:45 Denver (DEN)
WN 420 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Operates only on 2026-01-04
Sat 21:05 Tulsa (TUL) 21:50 Denver (DEN)
WN 420 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Operates only on 2026-01-03
Non-Direct Flights:
Mon,Thu,Fri 09:25 Ronald Reagan Washington (DCA) 1 13:05 Albuquerque (ABQ)
WN 420 1-stop Boeing 737-700 (Scimitar Winglets) 5:40 Effective 2026-08-06 through 2026-09-28
Sat 09:50 Santa Ana (SNA) 17:55 Nashville (BNA)
WN 420 1-stop Boeing 737-700 (Scimitar Winglets) 6:05 Operates only on 2026-01-03
Sat 10:15 Denver (DEN) 15:25 New Orleans (MSY)
WN 420 1-stop Boeing 737 MAX 8 (7M8) 4:10 Effective 2026-04-11 through 2026-05-30
Sat 11:45 San Jose (SJC) B 20:25 Tulsa (TUL)
WN 420 1-stop Boeing 737-700 (Scimitar Winglets) 6:40 Operates only on 2026-01-03
Fri 18:25 Nashville (BNA) 21:45 Denver (DEN)
WN 420 1-stop Boeing 737-800 (73H) 4:20 Operates only on 2026-01-02
Sat 18:30 Nashville (BNA) 21:50 Denver (DEN)
WN 420 1-stop Boeing 737-700 (Scimitar Winglets) 4:20 Operates only on 2026-01-03
Sun 18:30 Nashville (BNA) 21:45 Denver (DEN)
WN 420 1-stop Boeing 737-700 (Scimitar Winglets) 4:15 Operates only on 2026-01-04
Sat 09:50 Santa Ana (SNA) 20:25 Tulsa (TUL)
WN 420 2-stop Boeing 737-700 (Scimitar Winglets) 8:35 Operates only on 2026-01-03
Sat 11:45 San Jose (SJC) B 21:50 Denver (DEN)
WN 420 2-stop Boeing 737-700 (Scimitar Winglets) 9:05 Operates only on 2026-01-03
Sat 09:50 Santa Ana (SNA) 21:50 Denver (DEN)
WN 420 3-stop Boeing 737-700 (Scimitar Winglets) 11:00 Operates only on 2026-01-03
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Southwest Airlines flight WN 420: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN420
05:50
Hartford (BDL)

07:10
Baltimore (BWI)
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN420
05:55
Hartford (BDL)

07:20
Baltimore (BWI)
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN420
06:00
Hartford (BDL)

07:25
Baltimore (BWI)
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN420
08:15
Saint Louis (STL) 2

11:25
Philadelphia (PHL) E
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN420
09:25
Ronald Reagan Washington (DCA) 1

11:25
Dallas Love Field (DAL) 1
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN420
09:25
Ronald Reagan Washington (DCA) 1

11:25
Dallas Love Field (DAL) 1
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:00, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN420
09:50
Santa Ana (SNA)

11:10
San Jose (SJC) B
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN420
10:15
Denver (DEN)

13:20
Dallas Love Field (DAL) 1
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN420
10:25
Denver (DEN)

13:25
Dallas Love Field (DAL) 1
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN420
10:25
Denver (DEN)

13:25
Dallas Love Field (DAL) 1
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN420
10:25
Denver (DEN)

13:25
Dallas Love Field (DAL) 1
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN420
11:10
Dallas Love Field (DAL) 1

11:55
Albuquerque (ABQ)
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN420
11:45
San Jose (SJC) B

17:55
Nashville (BNA)
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN420
12:20
Dallas Love Field (DAL) 1

13:05
Albuquerque (ABQ)
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN420
12:35
Orlando (MCO)

14:55
Ronald Reagan Washington (DCA) 1
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN420
12:35
Orlando (MCO)

14:55
Ronald Reagan Washington (DCA) 1
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN420
13:20
Dallas Love Field (DAL) 1

14:05
Albuquerque (ABQ)
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN420
13:25
Orlando (MCO)

15:45
Ronald Reagan Washington (DCA) 1
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN420
13:25
Orlando (MCO)

15:45
Ronald Reagan Washington (DCA) 1
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN420
13:25
Orlando (MCO)

15:45
Ronald Reagan Washington (DCA) 1
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN420
13:25
Orlando (MCO)

15:45
Ronald Reagan Washington (DCA) 1
Effective 2026-02-08 through 2026-02-14
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN420
13:25
Orlando (MCO)

15:45
Ronald Reagan Washington (DCA) 1
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN420
13:25
Nashville (BNA)

15:45
Las Vegas Harry Reid (LAS) 1
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN420
13:35
Orlando (MCO)

15:55
Ronald Reagan Washington (DCA) 1
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN420
13:40
Orlando (MCO)

16:00
Ronald Reagan Washington (DCA) 1
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 WN420
13:40
Orlando (MCO)

16:00
Ronald Reagan Washington (DCA) 1
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 WN420
13:40
Orlando (MCO)

16:00
Ronald Reagan Washington (DCA) 1
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 WN420
13:40
Orlando (MCO)

16:00
Ronald Reagan Washington (DCA) 1
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 WN420
13:40
Orlando (MCO)

16:00
Ronald Reagan Washington (DCA) 1
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 WN420
13:40
Orlando (MCO)

16:00
Ronald Reagan Washington (DCA) 1
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 WN420
13:40
Nashville (BNA)

16:00
Las Vegas Harry Reid (LAS) 1
Effective 2026-03-07 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:20, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN420
14:00
Dallas Love Field (DAL) 1

15:25
New Orleans (MSY)
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN420
14:15
Nashville (BNA)

16:35
Las Vegas Harry Reid (LAS) 1
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:20, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN420
14:35
Nashville (BNA)

16:55
Las Vegas Harry Reid (LAS) 1
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:20, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN420
18:25
Nashville (BNA)

20:20
Tulsa (TUL)
Operates only on 2026-01-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN420
18:30
Nashville (BNA)

20:25
Tulsa (TUL)
Effective 2026-01-03 through 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN420
20:00
Birmingham (BHM)

21:45
Houston Hobby (HOU)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN420
20:30
Tulsa (TUL)

21:15
Denver (DEN)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN420
21:00
Tulsa (TUL)

21:45
Denver (DEN)
Operates only on 2026-01-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN420
21:00
Tulsa (TUL)

21:45
Denver (DEN)
Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN420
21:05
Tulsa (TUL)

21:50
Denver (DEN)
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN420
09:25
Ronald Reagan Washington (DCA) 1

13:05
Albuquerque (ABQ)
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:40, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN420
09:50
Santa Ana (SNA)

17:55
Nashville (BNA)
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN420
10:15
Denver (DEN)

15:25
New Orleans (MSY)
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:10, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN420
11:45
San Jose (SJC) B

20:25
Tulsa (TUL)
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:40, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN420
18:25
Nashville (BNA)

21:45
Denver (DEN)
Operates only on 2026-01-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:20, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN420
18:30
Nashville (BNA)

21:50
Denver (DEN)
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:20, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN420
18:30
Nashville (BNA)

21:45
Denver (DEN)
Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:15, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN420
09:50
Santa Ana (SNA)

20:25
Tulsa (TUL)
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 8:35, 2-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN420
11:45
San Jose (SJC) B

21:50
Denver (DEN)
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 9:05, 2-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN420
09:50
Santa Ana (SNA)

21:50
Denver (DEN)
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 11:00, 3-stop
Boeing 737-700 (Scimitar Winglets)
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This flight number is listed as serving the following routes:
  • Birmingham (BHM) - Houston Hobby (HOU)
  • Dallas Love Field (DAL) - Albuquerque (ABQ)
  • Dallas Love Field (DAL) - New Orleans (MSY)
  • Denver (DEN) - Dallas Love Field (DAL)
  • Denver (DEN) - New Orleans (MSY)
  • Hartford (BDL) - Baltimore (BWI)
  • Nashville (BNA) - Denver (DEN)
  • Nashville (BNA) - Las Vegas Harry Reid (LAS)
  • Nashville (BNA) - Tulsa (TUL)
  • Orlando (MCO) - Ronald Reagan Washington (DCA)
  • Ronald Reagan Washington (DCA) - Albuquerque (ABQ)
  • Ronald Reagan Washington (DCA) - Dallas Love Field (DAL)
  • Saint Louis (STL) - Philadelphia (PHL)
  • San Jose (SJC) - Denver (DEN)
  • San Jose (SJC) - Nashville (BNA)
  • San Jose (SJC) - Tulsa (TUL)
  • Santa Ana (SNA) - Denver (DEN)
  • Santa Ana (SNA) - Nashville (BNA)
  • Santa Ana (SNA) - San Jose (SJC)
  • Santa Ana (SNA) - Tulsa (TUL)
  • Tulsa (TUL) - Denver (DEN)
All Southwest Airlines flights
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