Southwest Airlines flight WN 3664: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sat 05:05 Sacramento (SMF) B 07:55 Phoenix Sky Harbor (PHX) 4 WN 3664 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2026-01-10 through 2026-02-07
Thu 05:05 Sacramento (SMF) B 07:55 Phoenix Sky Harbor (PHX) 4 WN 3664 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Operates only on 2026-02-12
Mon,Fri 05:05 Sacramento (SMF) B 07:55 Phoenix Sky Harbor (PHX) 4 WN 3664 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2026-02-13 through 2026-02-20
Thu,Fri,Sun 05:05 Sacramento (SMF) B 07:55 Phoenix Sky Harbor (PHX) 4 WN 3664 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2026-02-22 through 2026-03-01
Mon-Fri 05:10 Sacramento (SMF) B 08:00 Phoenix Sky Harbor (PHX) 4 WN 3664 Non-stop Boeing 737-800 (73H) 1:50 Effective 2026-01-06 through 2026-01-14
Thu,Fri,Sun 05:10 Sacramento (SMF) B 08:00 Phoenix Sky Harbor (PHX) 4 WN 3664 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2026-01-11 through 2026-01-16
Tue-Fri,Sun 05:10 Sacramento (SMF) B 08:00 Phoenix Sky Harbor (PHX) 4 WN 3664 Non-stop Boeing 737-800 (73H) 1:50 Effective 2026-01-18 through 2026-01-23
Mon,Sun 05:10 Sacramento (SMF) B 08:00 Phoenix Sky Harbor (PHX) 4 WN 3664 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2026-01-19 through 2026-01-25
Mon-Fri 05:10 Sacramento (SMF) B 08:00 Phoenix Sky Harbor (PHX) 4 WN 3664 Non-stop Boeing 737-800 (73H) 1:50 Effective 2026-01-26 through 2026-02-04
Thu,Fri,Sun 05:10 Sacramento (SMF) B 08:00 Phoenix Sky Harbor (PHX) 4 WN 3664 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2026-02-01 through 2026-02-06
Tue,Wed,Sat,Sun 05:10 Sacramento (SMF) B 08:00 Phoenix Sky Harbor (PHX) 4 WN 3664 Non-stop Boeing 737-800 (73H) 1:50 Effective 2026-02-08 through 2026-02-14
Mon,Sun 05:10 Sacramento (SMF) B 08:00 Phoenix Sky Harbor (PHX) 4 WN 3664 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 05:10 Sacramento (SMF) B 08:00 Phoenix Sky Harbor (PHX) 4 WN 3664 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2026-02-17 through 2026-02-23
Tue,Wed,Sat 05:10 Sacramento (SMF) B 08:00 Phoenix Sky Harbor (PHX) 4 WN 3664 Non-stop Boeing 737-800 (73H) 1:50 Effective 2026-02-18 through 2026-03-04
Mon 05:10 Sacramento (SMF) B 08:00 Phoenix Sky Harbor (PHX) 4 WN 3664 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Operates only on 2026-03-02
Mon,Thu,Fri 06:25 Pittsburgh (PIT) 09:05 Fort Lauderdale (FLL) 1 WN 3664 Non-stop Boeing 737-800 (73H) 2:40 Effective 2026-08-06 through 2026-09-28
Mon,Thu,Fri 06:35 New Orleans (MSY) 08:00 Dallas Love Field (DAL) 1 WN 3664 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-06-04 through 2026-08-03
Sun 06:55 New Orleans (MSY) 08:20 Dallas Love Field (DAL) 1 WN 3664 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-06-07 through 2026-08-02
Mon,Thu,Fri 08:10 Ontario, Los Angeles (ONT) 4 09:25 Phoenix Sky Harbor (PHX) 4 WN 3664 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2026-04-09 through 2026-06-01
Mon,Thu,Fri 08:35 Dallas Love Field (DAL) 1 12:55 New York LaGuardia (LGA) B WN 3664 Non-stop Boeing 737-700 (Scimitar Winglets) 3:20 Effective 2026-06-04 through 2026-08-03
Tue,Wed 10:30 Ontario, Los Angeles (ONT) 4 11:45 Phoenix Sky Harbor (PHX) 4 WN 3664 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2026-04-07 through 2026-06-03
Mon,Tue,Fri,Sun 11:00 Saint Louis (STL) 2 12:20 Denver (DEN) WN 3664 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Valid until 2026-01-05
Tue,Wed 13:00 Salt Lake City (SLC) 16:55 Houston Hobby (HOU) WN 3664 Non-stop Boeing 737-800 (73H) 2:55 Effective 2026-08-04 through 2026-09-30
Sun 13:50 Salt Lake City (SLC) 17:45 Houston Hobby (HOU) WN 3664 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-08-09 through 2026-09-27
Sat 18:10 Detroit (DTW) E 19:45 Las Vegas Harry Reid (LAS) 1 WN 3664 Non-stop Boeing 737 MAX 8 (7M8) 4:35 Valid until 2026-01-03
Thu 20:15 Saint Louis (STL) 2 21:35 Denver (DEN) WN 3664 Non-stop Boeing 737-800 (73H) 2:20 Valid until 2026-01-01
Sun 21:30 New Orleans (MSY) 23:30 Kansas City (MCI) WN 3664 Non-stop Boeing 737-700 (Scimitar Winglets) 2:00 Effective 2026-03-08 through 2026-04-05
Non-Direct Flights:
Mon,Thu,Fri 06:35 New Orleans (MSY) 12:55 New York LaGuardia (LGA) B WN 3664 1-stop Boeing 737-700 (Scimitar Winglets) 5:20 Effective 2026-06-04 through 2026-08-03

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This flight number is listed as serving the following routes:

Dallas Love Field (DAL) - New York LaGuardia (LGA)
Detroit (DTW) - Las Vegas Harry Reid (LAS)
New Orleans (MSY) - Dallas Love Field (DAL)
New Orleans (MSY) - Kansas City (MCI)
New Orleans (MSY) - New York LaGuardia (LGA)
Ontario, Los Angeles (ONT) - Phoenix Sky Harbor (PHX)
Pittsburgh (PIT) - Fort Lauderdale (FLL)
Sacramento (SMF) - Phoenix Sky Harbor (PHX)
Saint Louis (STL) - Denver (DEN)
Salt Lake City (SLC) - Houston Hobby (HOU)

All Southwest Airlines flights

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Southwest Airlines flight WN 3664: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN3664

05:05

Sacramento (SMF) B

07:55

Phoenix Sky Harbor (PHX) 4

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN3664

05:05

Sacramento (SMF) B

07:55

Phoenix Sky Harbor (PHX) 4

Operates only on 2026-02-12

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3664

05:05

Sacramento (SMF) B

07:55

Phoenix Sky Harbor (PHX) 4

Effective 2026-02-13 through 2026-02-20

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3664

05:05

Sacramento (SMF) B

07:55

Phoenix Sky Harbor (PHX) 4

Effective 2026-02-22 through 2026-03-01

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN3664

05:10

Sacramento (SMF) B

08:00

Phoenix Sky Harbor (PHX) 4

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 WN3664

05:10

Sacramento (SMF) B

08:00

Phoenix Sky Harbor (PHX) 4

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN3664

05:10

Sacramento (SMF) B

08:00

Phoenix Sky Harbor (PHX) 4

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 WN3664

05:10

Sacramento (SMF) B

08:00

Phoenix Sky Harbor (PHX) 4

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

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN3664

05:10

Sacramento (SMF) B

08:00

Phoenix Sky Harbor (PHX) 4

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 WN3664

05:10

Sacramento (SMF) B

08:00

Phoenix Sky Harbor (PHX) 4

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN3664

05:10

Sacramento (SMF) B

08:00

Phoenix Sky Harbor (PHX) 4

Effective 2026-02-08 through 2026-02-14

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat

Sun

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

Direct Flights:

Southwest Airlines WN3664

05:10

Sacramento (SMF) B

08:00

Phoenix Sky Harbor (PHX) 4

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

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN3664

05:10

Sacramento (SMF) B

08:00

Phoenix Sky Harbor (PHX) 4

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

Mon

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3664

05:10

Sacramento (SMF) B

08:00

Phoenix Sky Harbor (PHX) 4

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 WN3664

05:10

Sacramento (SMF) B

08:00

Phoenix Sky Harbor (PHX) 4

Operates only on 2026-03-02

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3664

06:25

Pittsburgh (PIT)

09:05

Fort Lauderdale (FLL) 1

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:40, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3664

06:35

New Orleans (MSY)

08:00

Dallas Love Field (DAL) 1

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3664

06:55

New Orleans (MSY)

08:20

Dallas Love Field (DAL) 1

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN3664

08:10

Ontario, Los Angeles (ONT) 4

09:25

Phoenix Sky Harbor (PHX) 4

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3664

08:35

Dallas Love Field (DAL) 1

12:55

New York LaGuardia (LGA) B

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3664

10:30

Ontario, Los Angeles (ONT) 4

11:45

Phoenix Sky Harbor (PHX) 4

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 WN3664

11:00

Saint Louis (STL) 2

12:20

Denver (DEN)

Valid until 2026-01-05

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN3664

13:00

Salt Lake City (SLC)

16:55

Houston Hobby (HOU)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:55, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3664

13:50

Salt Lake City (SLC)

17:45

Houston Hobby (HOU)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3664

18:10

Detroit (DTW) E

19:45

Las Vegas Harry Reid (LAS) 1

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3664

20:15

Saint Louis (STL) 2

21:35

Denver (DEN)

Valid until 2026-01-01

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3664

21:30

New Orleans (MSY)

23:30

Kansas City (MCI)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Non-Direct Flights:

Southwest Airlines WN3664

06:35

New Orleans (MSY)

12:55

New York LaGuardia (LGA) B

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 5:20, 1-stop
Boeing 737-700 (Scimitar Winglets)

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Parallax here

This flight number is listed as serving the following routes:

Dallas Love Field (DAL) - New York LaGuardia (LGA)
Detroit (DTW) - Las Vegas Harry Reid (LAS)
New Orleans (MSY) - Dallas Love Field (DAL)
New Orleans (MSY) - Kansas City (MCI)
New Orleans (MSY) - New York LaGuardia (LGA)
Ontario, Los Angeles (ONT) - Phoenix Sky Harbor (PHX)
Pittsburgh (PIT) - Fort Lauderdale (FLL)
Sacramento (SMF) - Phoenix Sky Harbor (PHX)
Saint Louis (STL) - Denver (DEN)
Salt Lake City (SLC) - Houston Hobby (HOU)

All Southwest Airlines flights

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