Southwest Airlines flight WN 3873: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sun 08:40 Houston Hobby (HOU) 09:25 Phoenix Sky Harbor (PHX) 4 WN 3873 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-08-09 through 2026-09-27
Tue,Wed 09:00 Denver (DEN) 10:40 Bozeman (BZN) WN 3873 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Effective 2026-08-04 through 2026-09-30
Mon,Thu,Fri 10:00 Luis Munoz Marin, San Juan (SJU) B 13:00 Orlando (MCO) WN 3873 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2026-08-06 through 2026-09-28
Thu,Fri,Sun 10:50 Tampa (TPA) 13:30 Islip (ISP) WN 3873 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-01-11 through 2026-01-16
Mon,Sun 10:50 Tampa (TPA) 13:30 Islip (ISP) WN 3873 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 10:50 Tampa (TPA) 13:30 Islip (ISP) WN 3873 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-02-01 through 2026-02-06
Mon,Sun 10:50 Tampa (TPA) 13:30 Islip (ISP) WN 3873 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 10:50 Tampa (TPA) 13:30 Islip (ISP) WN 3873 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-02-17 through 2026-02-23
Mon 10:50 Tampa (TPA) 13:30 Islip (ISP) WN 3873 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Operates only on 2026-03-02
Sun 11:10 Atlanta (ATL) N 12:40 Orlando (MCO) WN 3873 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-04-12 through 2026-05-17
Sun 11:10 Atlanta (ATL) N 12:40 Orlando (MCO) WN 3873 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Operates only on 2026-05-31
Sat 11:25 Atlanta (ATL) N 12:55 Orlando (MCO) WN 3873 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-04-11 through 2026-05-30
Sat 11:45 Tampa (TPA) 14:20 Islip (ISP) WN 3873 Non-stop Boeing 737-800 (73H) 2:35 Effective 2026-02-14 through 2026-02-28
Sun 12:10 Atlanta (ATL) N 13:40 Orlando (MCO) WN 3873 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Operates only on 2026-05-24
Mon,Thu,Fri 14:10 Tampa (TPA) 16:45 Islip (ISP) WN 3873 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 14:10 Tampa (TPA) 16:45 Islip (ISP) WN 3873 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-02-20 through 2026-03-01
Sun 16:50 Baltimore (BWI) 18:10 Cleveland (CLE) WN 3873 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2026-03-08 through 2026-04-05
Sat 17:10 San Antonio (SAT) A 18:00 Las Vegas Harry Reid (LAS) 1 WN 3873 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-08-08 through 2026-09-26
Tue,Wed 17:15 Baltimore (BWI) 18:35 Cleveland (CLE) WN 3873 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2026-03-10 through 2026-04-01
Mon 18:15 Oakland (OAK) 2 19:45 Las Vegas Harry Reid (LAS) 1 WN 3873 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Operates only on 2026-01-05
Tue,Wed 19:50 Denver (DEN) 20:50 Phoenix Sky Harbor (PHX) 4 WN 3873 Non-stop Boeing 737-800 (73H) 2:00 Effective 2026-04-07 through 2026-06-03
Mon,Thu,Fri 20:45 Santa Ana (SNA) 22:10 Sacramento (SMF) B WN 3873 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2026-06-04 through 2026-08-03
Tue,Wed 20:55 Santa Ana (SNA) 22:20 Sacramento (SMF) B WN 3873 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 21:05 Denver (DEN) 22:10 Phoenix Sky Harbor (PHX) 4 WN 3873 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-04-09 through 2026-06-01
Sun 21:10 Santa Ana (SNA) 22:35 Sacramento (SMF) B WN 3873 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2026-06-07 through 2026-08-02

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This flight number is listed as serving the following routes:

Atlanta (ATL) - Orlando (MCO)
Baltimore (BWI) - Cleveland (CLE)
Denver (DEN) - Bozeman (BZN)
Denver (DEN) - Phoenix Sky Harbor (PHX)
Houston Hobby (HOU) - Phoenix Sky Harbor (PHX)
Luis Munoz Marin, San Juan (SJU) - Orlando (MCO)
Oakland (OAK) - Las Vegas Harry Reid (LAS)
San Antonio (SAT) - Las Vegas Harry Reid (LAS)
Santa Ana (SNA) - Sacramento (SMF)
Tampa (TPA) - Islip (ISP)

All Southwest Airlines flights

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Southwest Airlines flight WN 3873: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN3873

08:40

Houston Hobby (HOU)

09:25

Phoenix Sky Harbor (PHX) 4

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3873

09:00

Denver (DEN)

10:40

Bozeman (BZN)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3873

10:00

Luis Munoz Marin, San Juan (SJU) B

13:00

Orlando (MCO)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3873

10:50

Tampa (TPA)

13:30

Islip (ISP)

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN3873

10:50

Tampa (TPA)

13:30

Islip (ISP)

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

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN3873

10:50

Tampa (TPA)

13:30

Islip (ISP)

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN3873

10:50

Tampa (TPA)

13:30

Islip (ISP)

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

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN3873

10:50

Tampa (TPA)

13:30

Islip (ISP)

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

Mon

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3873

10:50

Tampa (TPA)

13:30

Islip (ISP)

Operates only on 2026-03-02

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3873

11:10

Atlanta (ATL) N

12:40

Orlando (MCO)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN3873

11:10

Atlanta (ATL) N

12:40

Orlando (MCO)

Operates only on 2026-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN3873

11:25

Atlanta (ATL) N

12:55

Orlando (MCO)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN3873

11:45

Tampa (TPA)

14:20

Islip (ISP)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN3873

12:10

Atlanta (ATL) N

13:40

Orlando (MCO)

Operates only on 2026-05-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN3873

14:10

Tampa (TPA)

16:45

Islip (ISP)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3873

14:10

Tampa (TPA)

16:45

Islip (ISP)

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3873

16:50

Baltimore (BWI)

18:10

Cleveland (CLE)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3873

17:10

San Antonio (SAT) A

18:00

Las Vegas Harry Reid (LAS) 1

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN3873

17:15

Baltimore (BWI)

18:35

Cleveland (CLE)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3873

18:15

Oakland (OAK) 2

19:45

Las Vegas Harry Reid (LAS) 1

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3873

19:50

Denver (DEN)

20:50

Phoenix Sky Harbor (PHX) 4

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:00, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3873

20:45

Santa Ana (SNA)

22:10

Sacramento (SMF) B

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3873

20:55

Santa Ana (SNA)

22:20

Sacramento (SMF) B

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3873

21:05

Denver (DEN)

22:10

Phoenix Sky Harbor (PHX) 4

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3873

21:10

Santa Ana (SNA)

22:35

Sacramento (SMF) B

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

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Parallax here

This flight number is listed as serving the following routes:

Atlanta (ATL) - Orlando (MCO)
Baltimore (BWI) - Cleveland (CLE)
Denver (DEN) - Bozeman (BZN)
Denver (DEN) - Phoenix Sky Harbor (PHX)
Houston Hobby (HOU) - Phoenix Sky Harbor (PHX)
Luis Munoz Marin, San Juan (SJU) - Orlando (MCO)
Oakland (OAK) - Las Vegas Harry Reid (LAS)
San Antonio (SAT) - Las Vegas Harry Reid (LAS)
Santa Ana (SNA) - Sacramento (SMF)
Tampa (TPA) - Islip (ISP)

All Southwest Airlines flights

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