Southwest Airlines flight WN 4273: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sun 05:00 Phoenix Sky Harbor (PHX) 4 09:50 Saint Louis (STL) 2 WN 4273 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-03-08 through 2026-04-05
Mon,Thu,Fri 05:00 Phoenix Sky Harbor (PHX) 4 09:50 Saint Louis (STL) 2 WN 4273 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-03-09 through 2026-04-06
Wed,Thu 05:35 San Antonio (SAT) A 06:55 Denver (DEN) WN 4273 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Valid until 2026-01-01
Tue,Wed 05:55 Phoenix Sky Harbor (PHX) 4 10:40 Saint Louis (STL) 2 WN 4273 Non-stop Boeing 737-800 (73H) 2:45 Effective 2026-03-10 through 2026-04-01
Thu,Fri 06:00 Phoenix Sky Harbor (PHX) 4 09:50 Saint Louis (STL) 2 WN 4273 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-03-05 through 2026-03-06
Sun 06:15 Cleveland (CLE) 07:35 Baltimore (BWI) WN 4273 Non-stop Boeing 737-800 (73H) 1:20 Operates only on 2026-05-24
Sun 06:25 New Orleans (MSY) 07:50 Dallas Love Field (DAL) 1 WN 4273 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2026-08-09 through 2026-09-27
Tue,Wed 06:40 New Orleans (MSY) 08:10 Dallas Love Field (DAL) 1 WN 4273 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-08-04 through 2026-09-30
Mon,Thu,Fri 09:35 Denver (DEN) 15:20 Fort Lauderdale (FLL) 1 WN 4273 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 09:35 Denver (DEN) 15:20 Fort Lauderdale (FLL) 1 WN 4273 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-02-20 through 2026-03-01
Sat 09:50 Denver (DEN) 15:40 Fort Lauderdale (FLL) 1 WN 4273 Non-stop Boeing 737-800 (73H) 3:50 Effective 2026-01-10 through 2026-02-07
Mon,Tue,Fri,Sun 10:05 San Antonio (SAT) A 11:25 Denver (DEN) WN 4273 Non-stop Boeing 737-800 (73H) 2:20 Valid until 2026-01-04
Sat 10:05 San Antonio (SAT) A 11:25 Denver (DEN) WN 4273 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Operates only on 2026-01-03
Mon-Fri 10:35 Denver (DEN) 16:20 Fort Lauderdale (FLL) 1 WN 4273 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 10:35 Denver (DEN) 16:20 Fort Lauderdale (FLL) 1 WN 4273 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-01-18 through 2026-01-23
Mon-Fri 10:35 Denver (DEN) 16:20 Fort Lauderdale (FLL) 1 WN 4273 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-01-26 through 2026-02-04
Sun 10:35 Denver (DEN) 16:20 Fort Lauderdale (FLL) 1 WN 4273 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Operates only on 2026-02-08
Tue,Wed 10:35 Denver (DEN) 16:20 Fort Lauderdale (FLL) 1 WN 4273 Non-stop Boeing 737-700 (Scimitar Winglets) 3:45 Effective 2026-02-10 through 2026-02-11
Tue,Wed 10:35 Denver (DEN) 16:20 Fort Lauderdale (FLL) 1 WN 4273 Non-stop Boeing 737-700 (Scimitar Winglets) 3:45 Effective 2026-02-18 through 2026-03-04
Mon 10:50 San Antonio (SAT) A 12:10 Denver (DEN) WN 4273 Non-stop Boeing 737-800 (73H) 2:20 Operates only on 2026-01-05
Tue,Wed 10:50 San Jose (SJC) B 12:15 Santa Ana (SNA) WN 4273 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-04-07 through 2026-06-03
Thu,Fri,Sun 11:10 Denver (DEN) 16:55 Fort Lauderdale (FLL) 1 WN 4273 Non-stop Boeing 737-800 (73H) 3:45 Effective 2026-01-11 through 2026-01-16
Mon,Sun 11:15 Denver (DEN) 17:00 Fort Lauderdale (FLL) 1 WN 4273 Non-stop Boeing 737-800 (73H) 3:45 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 11:15 Denver (DEN) 17:00 Fort Lauderdale (FLL) 1 WN 4273 Non-stop Boeing 737-800 (73H) 3:45 Effective 2026-02-01 through 2026-02-06
Mon,Sun 11:15 Denver (DEN) 17:00 Fort Lauderdale (FLL) 1 WN 4273 Non-stop Boeing 737-800 (73H) 3:45 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 11:15 Denver (DEN) 17:00 Fort Lauderdale (FLL) 1 WN 4273 Non-stop Boeing 737-800 (73H) 3:45 Effective 2026-02-17 through 2026-02-23
Mon 11:15 Denver (DEN) 17:00 Fort Lauderdale (FLL) 1 WN 4273 Non-stop Boeing 737-800 (73H) 3:45 Operates only on 2026-03-02
Sat 11:25 Denver (DEN) 17:10 Fort Lauderdale (FLL) 1 WN 4273 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-02-14 through 2026-02-28
Mon,Thu,Fri 12:00 San Jose (SJC) B 13:25 Santa Ana (SNA) WN 4273 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-04-09 through 2026-06-01
Sat 12:00 Orlando (MCO) 14:40 Hartford (BDL) WN 4273 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-08-08 through 2026-09-26
Sat 18:00 Luis Munoz Marin, San Juan (SJU) B 22:00 Houston Hobby (HOU) WN 4273 Non-stop Boeing 737 MAX 8 (7M8) 5:00 Effective 2026-03-14 through 2026-04-04
Mon,Thu,Fri 18:15 New Orleans (MSY) 19:40 Dallas Love Field (DAL) 1 WN 4273 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2026-08-06 through 2026-09-28
Sat 19:00 Luis Munoz Marin, San Juan (SJU) B 22:00 Houston Hobby (HOU) WN 4273 Non-stop Boeing 737 MAX 8 (7M8) 5:00 Operates only on 2026-03-07
Tue,Wed 21:35 Las Vegas Harry Reid (LAS) 1 23:50 Portland (PDX) WN 4273 Non-stop Boeing 737-800 (73H) 2:15 Effective 2026-06-09 through 2026-07-29
Sat 21:40 Las Vegas Harry Reid (LAS) 1 23:55 Portland (PDX) WN 4273 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-06-06 through 2026-08-01

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This flight number is listed as serving the following routes:

Cleveland (CLE) - Baltimore (BWI)
Denver (DEN) - Fort Lauderdale (FLL)
Las Vegas Harry Reid (LAS) - Portland (PDX)
Luis Munoz Marin, San Juan (SJU) - Houston Hobby (HOU)
New Orleans (MSY) - Dallas Love Field (DAL)
Orlando (MCO) - Hartford (BDL)
Phoenix Sky Harbor (PHX) - Saint Louis (STL)
San Antonio (SAT) - Denver (DEN)
San Jose (SJC) - Santa Ana (SNA)

All Southwest Airlines flights

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Southwest Airlines flight WN 4273: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN4273

05:00

Phoenix Sky Harbor (PHX) 4

09:50

Saint Louis (STL) 2

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4273

05:00

Phoenix Sky Harbor (PHX) 4

09:50

Saint Louis (STL) 2

Effective 2026-03-09 through 2026-04-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4273

05:35

San Antonio (SAT) A

06:55

Denver (DEN)

Valid until 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4273

05:55

Phoenix Sky Harbor (PHX) 4

10:40

Saint Louis (STL) 2

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4273

06:00

Phoenix Sky Harbor (PHX) 4

09:50

Saint Louis (STL) 2

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4273

06:15

Cleveland (CLE)

07:35

Baltimore (BWI)

Operates only on 2026-05-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4273

06:25

New Orleans (MSY)

07:50

Dallas Love Field (DAL) 1

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4273

06:40

New Orleans (MSY)

08:10

Dallas Love Field (DAL) 1

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4273

09:35

Denver (DEN)

15:20

Fort Lauderdale (FLL) 1

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4273

09:35

Denver (DEN)

15:20

Fort Lauderdale (FLL) 1

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4273

09:50

Denver (DEN)

15:40

Fort Lauderdale (FLL) 1

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:50, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4273

10:05

San Antonio (SAT) A

11:25

Denver (DEN)

Valid until 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 2:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4273

10:05

San Antonio (SAT) A

11:25

Denver (DEN)

Operates only on 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN4273

10:35

Denver (DEN)

16:20

Fort Lauderdale (FLL) 1

Effective 2026-01-06 through 2026-01-14

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4273

10:35

Denver (DEN)

16:20

Fort Lauderdale (FLL) 1

Effective 2026-01-18 through 2026-01-23

Mon
-

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4273

10:35

Denver (DEN)

16:20

Fort Lauderdale (FLL) 1

Effective 2026-01-26 through 2026-02-04

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4273

10:35

Denver (DEN)

16:20

Fort Lauderdale (FLL) 1

Operates only on 2026-02-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4273

10:35

Denver (DEN)

16:20

Fort Lauderdale (FLL) 1

Effective 2026-02-10 through 2026-02-11

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4273

10:35

Denver (DEN)

16:20

Fort Lauderdale (FLL) 1

Effective 2026-02-18 through 2026-03-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4273

10:50

San Antonio (SAT) A

12:10

Denver (DEN)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4273

10:50

San Jose (SJC) B

12:15

Santa Ana (SNA)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4273

11:10

Denver (DEN)

16:55

Fort Lauderdale (FLL) 1

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 3:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4273

11:15

Denver (DEN)

17:00

Fort Lauderdale (FLL) 1

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

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4273

11:15

Denver (DEN)

17:00

Fort Lauderdale (FLL) 1

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 3:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4273

11:15

Denver (DEN)

17:00

Fort Lauderdale (FLL) 1

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

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4273

11:15

Denver (DEN)

17:00

Fort Lauderdale (FLL) 1

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

Mon

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4273

11:15

Denver (DEN)

17:00

Fort Lauderdale (FLL) 1

Operates only on 2026-03-02

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4273

11:25

Denver (DEN)

17:10

Fort Lauderdale (FLL) 1

Effective 2026-02-14 through 2026-02-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4273

12:00

San Jose (SJC) B

13:25

Santa Ana (SNA)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4273

12:00

Orlando (MCO)

14:40

Hartford (BDL)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN4273

18:00

Luis Munoz Marin, San Juan (SJU) B

22:00

Houston Hobby (HOU)

Effective 2026-03-14 through 2026-04-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4273

18:15

New Orleans (MSY)

19:40

Dallas Love Field (DAL) 1

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4273

19:00

Luis Munoz Marin, San Juan (SJU) B

22:00

Houston Hobby (HOU)

Operates only on 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4273

21:35

Las Vegas Harry Reid (LAS) 1

23:50

Portland (PDX)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4273

21:40

Las Vegas Harry Reid (LAS) 1

23:55

Portland (PDX)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

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Parallax here

This flight number is listed as serving the following routes:

Cleveland (CLE) - Baltimore (BWI)
Denver (DEN) - Fort Lauderdale (FLL)
Las Vegas Harry Reid (LAS) - Portland (PDX)
Luis Munoz Marin, San Juan (SJU) - Houston Hobby (HOU)
New Orleans (MSY) - Dallas Love Field (DAL)
Orlando (MCO) - Hartford (BDL)
Phoenix Sky Harbor (PHX) - Saint Louis (STL)
San Antonio (SAT) - Denver (DEN)
San Jose (SJC) - Santa Ana (SNA)

All Southwest Airlines flights

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