Southwest Airlines flight WN 3812: Multiple routes

FLIGHT SCHEDULE
Direct Flights:
Mon-Fri 06:50 Kansas City (MCI) 10:30 New York LaGuardia (LGA) B WN 3812 Non-stop Boeing 737-700 (Scimitar Winglets) 2:40 Effective 2026-03-05 through 2026-04-06
Sun 07:00 Kansas City (MCI) 10:40 New York LaGuardia (LGA) B WN 3812 Non-stop Boeing 737-700 (Scimitar Winglets) 2:40 Effective 2026-03-08 through 2026-04-05
Sun 07:20 Nashville (BNA) 10:15 Orlando (MCO) WN 3812 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2026-06-07 through 2026-08-02
Sun 07:40 Saint Louis (STL) 2 10:45 Baltimore (BWI) WN 3812 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-08-09 through 2026-09-27
Tue,Wed 08:10 Saint Louis (STL) 2 11:15 Baltimore (BWI) WN 3812 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2026-08-04 through 2026-09-30
Sat 08:20 John Glenn Columbus (CMH) 09:55 Houston Hobby (HOU) WN 3812 Non-stop Boeing 737-800 (73H) 2:35 Effective 2026-08-08 through 2026-09-26
Mon,Fri,Sun 09:10 Milwaukee (MKE) 12:00 Ronald Reagan Washington (DCA) 1 WN 3812 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2026-01-02 through 2026-01-05
Sat 10:50 Milwaukee (MKE) 13:45 Ronald Reagan Washington (DCA) 1 WN 3812 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Operates only on 2026-01-03
Mon,Thu,Fri 11:40 Saint Louis (STL) 2 14:40 Baltimore (BWI) WN 3812 Non-stop Boeing 737-800 (73H) 2:00 Effective 2026-08-06 through 2026-09-28
Sat 13:25 Detroit (DTW) E 14:05 Saint Louis (STL) 2 WN 3812 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Effective 2026-02-14 through 2026-02-28
Tue,Wed 14:45 New Orleans (MSY) 16:15 Phoenix Sky Harbor (PHX) 4 WN 3812 Non-stop Boeing 737 MAX 8 (7M8) 3:30 Effective 2026-04-07 through 2026-06-03
Sat 14:55 Phoenix Sky Harbor (PHX) 4 16:15 Long Beach (LGB) WN 3812 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-04-11 through 2026-05-30
Mon,Thu,Fri 16:20 Phoenix Sky Harbor (PHX) 4 17:40 Long Beach (LGB) WN 3812 Non-stop Boeing 737-800 (73H) 1:20 Effective 2026-04-09 through 2026-06-01
Sun 16:40 Phoenix Sky Harbor (PHX) 4 17:55 Long Beach (LGB) WN 3812 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2026-04-12 through 2026-05-17
Sun 16:40 Phoenix Sky Harbor (PHX) 4 17:55 Long Beach (LGB) WN 3812 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Operates only on 2026-05-31
Tue,Wed 16:55 Phoenix Sky Harbor (PHX) 4 18:10 Long Beach (LGB) WN 3812 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2026-04-07 through 2026-06-03
Wed,Thu 17:25 Milwaukee (MKE) 20:25 Ronald Reagan Washington (DCA) 1 WN 3812 Non-stop Boeing 737-700 (73W) 2:00 Valid until 2026-01-01
Sun 18:10 Phoenix Sky Harbor (PHX) 4 19:30 Long Beach (LGB) WN 3812 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Operates only on 2026-05-24
Tue,Wed 18:45 Chicago Midway (MDW) 21:45 Myrtle Beach (MYR) WN 3812 Non-stop Boeing 737-800 (73H) 2:00 Effective 2026-06-09 through 2026-07-29
Sat 21:05 Phoenix Sky Harbor (PHX) 4 23:00 San Francisco (SFO) 2 WN 3812 Non-stop Boeing 737-800 (73H) 1:55 Effective 2026-06-06 through 2026-08-01
Non-Direct Flights:
Tue,Wed 14:45 New Orleans (MSY) 18:10 Long Beach (LGB) WN 3812 1-stop Boeing 737 MAX 8 (7M8) 5:25 Effective 2026-04-07 through 2026-06-03

This flight number is listed as serving the following routes:

Chicago Midway (MDW) - Myrtle Beach (MYR)
Detroit (DTW) - Saint Louis (STL)
John Glenn Columbus (CMH) - Houston Hobby (HOU)
Kansas City (MCI) - New York LaGuardia (LGA)
Milwaukee (MKE) - Ronald Reagan Washington (DCA)
Nashville (BNA) - Orlando (MCO)
New Orleans (MSY) - Long Beach (LGB)
New Orleans (MSY) - Phoenix Sky Harbor (PHX)
Phoenix Sky Harbor (PHX) - Long Beach (LGB)
Phoenix Sky Harbor (PHX) - San Francisco (SFO)
Saint Louis (STL) - Baltimore (BWI)

All Southwest Airlines flights

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Southwest Airlines flight WN 3812: Multiple routes

FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN3812

06:50

Kansas City (MCI)

10:30

New York LaGuardia (LGA) B

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 2:40, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3812

07:00

Kansas City (MCI)

10:40

New York LaGuardia (LGA) B

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:40, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3812

07:20

Nashville (BNA)

10:15

Orlando (MCO)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN3812

07:40

Saint Louis (STL) 2

10:45

Baltimore (BWI)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN3812

08:10

Saint Louis (STL) 2

11:15

Baltimore (BWI)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3812

08:20

John Glenn Columbus (CMH)

09:55

Houston Hobby (HOU)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN3812

09:10

Milwaukee (MKE)

12:00

Ronald Reagan Washington (DCA) 1

Effective 2026-01-02 through 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3812

10:50

Milwaukee (MKE)

13:45

Ronald Reagan Washington (DCA) 1

Operates only on 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN3812

11:40

Saint Louis (STL) 2

14:40

Baltimore (BWI)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3812

13:25

Detroit (DTW) E

14:05

Saint Louis (STL) 2

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN3812

14:45

New Orleans (MSY)

16:15

Phoenix Sky Harbor (PHX) 4

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3812

14:55

Phoenix Sky Harbor (PHX) 4

16:15

Long Beach (LGB)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3812

16:20

Phoenix Sky Harbor (PHX) 4

17:40

Long Beach (LGB)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3812

16:40

Phoenix Sky Harbor (PHX) 4

17:55

Long Beach (LGB)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3812

16:40

Phoenix Sky Harbor (PHX) 4

17:55

Long Beach (LGB)

Operates only on 2026-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3812

16:55

Phoenix Sky Harbor (PHX) 4

18:10

Long Beach (LGB)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3812

17:25

Milwaukee (MKE)

20:25

Ronald Reagan Washington (DCA) 1

Valid until 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:00, non-stop
Boeing 737-700 (73W)

Direct Flights:

Southwest Airlines WN3812

18:10

Phoenix Sky Harbor (PHX) 4

19:30

Long Beach (LGB)

Operates only on 2026-05-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3812

18:45

Chicago Midway (MDW)

21:45

Myrtle Beach (MYR)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3812

21:05

Phoenix Sky Harbor (PHX) 4

23:00

San Francisco (SFO) 2

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Non-Direct Flights:

Southwest Airlines WN3812

14:45

New Orleans (MSY)

18:10

Long Beach (LGB)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

This flight number is listed as serving the following routes:

Chicago Midway (MDW) - Myrtle Beach (MYR)
Detroit (DTW) - Saint Louis (STL)
John Glenn Columbus (CMH) - Houston Hobby (HOU)
Kansas City (MCI) - New York LaGuardia (LGA)
Milwaukee (MKE) - Ronald Reagan Washington (DCA)
Nashville (BNA) - Orlando (MCO)
New Orleans (MSY) - Long Beach (LGB)
New Orleans (MSY) - Phoenix Sky Harbor (PHX)
Phoenix Sky Harbor (PHX) - Long Beach (LGB)
Phoenix Sky Harbor (PHX) - San Francisco (SFO)
Saint Louis (STL) - Baltimore (BWI)

All Southwest Airlines flights

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