Southwest Airlines flight WN 3671: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon-Fri 09:00 Houston Hobby (HOU) 11:25 Sacramento (SMF) B
WN 3671 Non-stop Boeing 737-700 (Scimitar Winglets) 4:25 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 09:00 Houston Hobby (HOU) 11:25 Sacramento (SMF) B
WN 3671 Non-stop Boeing 737-700 (Scimitar Winglets) 4:25 Effective 2026-01-18 through 2026-01-23
Mon-Fri 09:00 Houston Hobby (HOU) 11:25 Sacramento (SMF) B
WN 3671 Non-stop Boeing 737-700 (Scimitar Winglets) 4:25 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 09:00 Houston Hobby (HOU) 11:25 Sacramento (SMF) B
WN 3671 Non-stop Boeing 737-700 (Scimitar Winglets) 4:25 Effective 2026-02-08 through 2026-02-11
Tue,Wed 09:00 Houston Hobby (HOU) 11:25 Sacramento (SMF) B
WN 3671 Non-stop Boeing 737-700 (Scimitar Winglets) 4:25 Effective 2026-02-18 through 2026-03-04
Mon,Thu,Fri 11:10 Sacramento (SMF) B 12:40 San Diego (SAN) 1
WN 3671 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 11:10 Sacramento (SMF) B 12:40 San Diego (SAN) 1
WN 3671 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-02-20 through 2026-03-01
Sat 11:25 Sacramento (SMF) B 12:55 San Diego (SAN) 1
WN 3671 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-02-14 through 2026-02-28
Mon-Fri 12:00 Sacramento (SMF) B 13:30 San Diego (SAN) 1
WN 3671 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-01-06 through 2026-01-14
Thu,Fri,Sun 12:00 Sacramento (SMF) B 13:30 San Diego (SAN) 1
WN 3671 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-01-11 through 2026-01-16
Tue-Fri,Sun 12:00 Sacramento (SMF) B 13:30 San Diego (SAN) 1
WN 3671 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-01-18 through 2026-01-23
Mon,Sun 12:00 Sacramento (SMF) B 13:30 San Diego (SAN) 1
WN 3671 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-01-19 through 2026-01-25
Mon-Fri 12:00 Sacramento (SMF) B 13:30 San Diego (SAN) 1
WN 3671 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-01-26 through 2026-02-04
Thu,Fri,Sun 12:00 Sacramento (SMF) B 13:30 San Diego (SAN) 1
WN 3671 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-02-01 through 2026-02-06
Tue,Wed,Sun 12:00 Sacramento (SMF) B 13:30 San Diego (SAN) 1
WN 3671 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-02-08 through 2026-02-11
Mon,Sun 12:00 Sacramento (SMF) B 13:30 San Diego (SAN) 1
WN 3671 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 12:00 Sacramento (SMF) B 13:30 San Diego (SAN) 1
WN 3671 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-02-17 through 2026-02-23
Tue,Wed 12:00 Sacramento (SMF) B 13:30 San Diego (SAN) 1
WN 3671 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-02-18 through 2026-03-04
Mon 12:00 Sacramento (SMF) B 13:30 San Diego (SAN) 1
WN 3671 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Operates only on 2026-03-02
Tue,Wed 12:00 Dallas Love Field (DAL) 1 13:35 San Jose (SJC) B
WN 3671 Non-stop Boeing 737 MAX 8 (7M8) 3:35 Effective 2026-08-04 through 2026-09-30
Sat 13:50 Denver (DEN) 17:05 San Antonio (SAT) A
WN 3671 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-04-11 through 2026-05-30
Tue,Wed 15:00 Denver (DEN) 18:10 San Antonio (SAT) A
WN 3671 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-04-07 through 2026-06-03
Sun 15:05 Denver (DEN) 18:15 San Antonio (SAT) A
WN 3671 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-04-12 through 2026-05-17
Sun 15:05 Denver (DEN) 18:15 San Antonio (SAT) A
WN 3671 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Operates only on 2026-05-31
Sat 16:10 Orlando (MCO) 17:55 Atlanta (ATL) N
WN 3671 Non-stop Boeing 737-800 (73H) 1:45 Effective 2026-06-06 through 2026-08-01
Sat 17:40 San Antonio (SAT) A 18:55 Dallas Love Field (DAL) 1
WN 3671 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-04-11 through 2026-05-30
Tue,Wed 17:50 Baltimore (BWI) 20:00 Dallas Love Field (DAL) 1
WN 3671 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2026-06-09 through 2026-07-29
Tue,Wed 18:40 San Antonio (SAT) A 19:55 Dallas Love Field (DAL) 1
WN 3671 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-04-07 through 2026-06-03
Sun 18:45 Santa Ana (SNA) 20:05 Phoenix Sky Harbor (PHX) 4
WN 3671 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2026-06-07 through 2026-08-02
Mon,Thu,Fri 19:05 Dallas Love Field (DAL) 1 20:40 San Jose (SJC) B
WN 3671 Non-stop Boeing 737-800 (73H) 3:35 Effective 2026-08-06 through 2026-09-28
Mon,Thu,Fri 19:45 San Antonio (SAT) A 21:00 Dallas Love Field (DAL) 1
WN 3671 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-04-09 through 2026-06-01
Sun 20:45 Phoenix Sky Harbor (PHX) 4 00:55 Oklahoma City (OKC)
WN 3671 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-06-07 through 2026-08-02
The flight arrives 1 day after departure.
Non-Direct Flights:
Mon-Fri 09:00 Houston Hobby (HOU) 13:30 San Diego (SAN) 1
WN 3671 1-stop Boeing 737-700 (Scimitar Winglets) 6:30 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 09:00 Houston Hobby (HOU) 13:30 San Diego (SAN) 1
WN 3671 1-stop Boeing 737-700 (Scimitar Winglets) 6:30 Effective 2026-01-18 through 2026-01-23
Mon-Fri 09:00 Houston Hobby (HOU) 13:30 San Diego (SAN) 1
WN 3671 1-stop Boeing 737-700 (Scimitar Winglets) 6:30 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 09:00 Houston Hobby (HOU) 13:30 San Diego (SAN) 1
WN 3671 1-stop Boeing 737-700 (Scimitar Winglets) 6:30 Effective 2026-02-08 through 2026-02-11
Tue,Wed 09:00 Houston Hobby (HOU) 13:30 San Diego (SAN) 1
WN 3671 1-stop Boeing 737-700 (Scimitar Winglets) 6:30 Effective 2026-02-18 through 2026-03-04
Sat 13:50 Denver (DEN) 18:55 Dallas Love Field (DAL) 1
WN 3671 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2026-04-11 through 2026-05-30
Tue,Wed 15:00 Denver (DEN) 19:55 Dallas Love Field (DAL) 1
WN 3671 1-stop Boeing 737-700 (Scimitar Winglets) 3:55 Effective 2026-04-07 through 2026-06-03
Sun 18:45 Santa Ana (SNA) 00:55 Oklahoma City (OKC)
WN 3671 1-stop Boeing 737 MAX 8 (7M8) 4:10 Effective 2026-06-07 through 2026-08-02
The flight arrives 1 day after departure.
This flight number is listed as serving the following routes:
Southwest Airlines flight WN 3671: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Southwest Airlines WN3671
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 4:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3671
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3671
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 4:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3671
Effective 2026-02-08 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3671
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3671
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3671
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3671
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3671
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3671
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3671
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3671
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3671
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3671
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3671
Effective 2026-02-08 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3671
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3671
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3671
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3671
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3671
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3671
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3671
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3671
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3671
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3671
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3671
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3671
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3671
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3671
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3671
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:35, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3671
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3671
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Non-Direct Flights:

Southwest Airlines WN3671
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 6:30, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN3671
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 6:30, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN3671
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 6:30, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN3671
Effective 2026-02-08 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:30, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN3671
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:30, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN3671
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:05, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN3671
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:55, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN3671
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:10, 1-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
This flight number is listed as serving the following routes:
  • Baltimore (BWI) - Dallas Love Field (DAL)
  • Dallas Love Field (DAL) - San Jose (SJC)
  • Denver (DEN) - Dallas Love Field (DAL)
  • Denver (DEN) - San Antonio (SAT)
  • Houston Hobby (HOU) - Sacramento (SMF)
  • Houston Hobby (HOU) - San Diego (SAN)
  • Orlando (MCO) - Atlanta (ATL)
  • Phoenix Sky Harbor (PHX) - Oklahoma City (OKC)
  • Sacramento (SMF) - San Diego (SAN)
  • San Antonio (SAT) - Dallas Love Field (DAL)
  • Santa Ana (SNA) - Oklahoma City (OKC)
  • Santa Ana (SNA) - Phoenix Sky Harbor (PHX)