Southwest Airlines flight WN 3718: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sun 06:40 Spokane (GEG) 09:55 Denver (DEN)
WN 3718 Non-stop Boeing 737-800 (73H) 2:15 Effective 2026-08-09 through 2026-09-27
Mon,Thu,Fri 07:05 Lubbock (LBB) 08:25 Austin (AUS)
WN 3718 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-03-05 through 2026-04-06
Tue,Wed 10:00 Luis Munoz Marin, San Juan (SJU) B 14:10 Baltimore (BWI)
WN 3718 Non-stop Boeing 737 MAX 8 (7M8) 4:10 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 10:20 Luis Munoz Marin, San Juan (SJU) B 14:25 Baltimore (BWI)
WN 3718 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Effective 2026-06-04 through 2026-08-03
Sun 11:00 Baltimore (BWI) 12:35 Detroit (DTW) E
WN 3718 Non-stop Boeing 737-800 (73H) 1:35 Effective 2026-03-08 through 2026-04-05
Sat 11:20 Luis Munoz Marin, San Juan (SJU) B 15:30 Baltimore (BWI)
WN 3718 Non-stop Boeing 737-800 (73H) 4:10 Effective 2026-06-06 through 2026-08-01
Sat 13:00 Phoenix Sky Harbor (PHX) 4 19:35 Detroit (DTW) E
WN 3718 Non-stop Boeing 737 MAX 8 (7M8) 3:35 Effective 2026-03-14 through 2026-04-04
Sun 13:15 Detroit (DTW) E 13:25 Chicago Midway (MDW)
WN 3718 Non-stop Boeing 737-800 (73H) 1:10 Effective 2026-03-08 through 2026-04-05
Mon,Thu,Fri 13:50 Spokane (GEG) 17:05 Denver (DEN)
WN 3718 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-08-06 through 2026-09-28
Sat 14:00 Phoenix Sky Harbor (PHX) 4 19:35 Detroit (DTW) E
WN 3718 Non-stop Boeing 737 MAX 8 (7M8) 3:35 Operates only on 2026-03-07
Sat 15:25 Luis Munoz Marin, San Juan (SJU) B 18:05 Nashville (BNA)
WN 3718 Non-stop Boeing 737-800 (73H) 4:40 Effective 2026-02-14 through 2026-02-28
Tue,Wed 15:50 Nashville (BNA) 18:30 Detroit (DTW) E
WN 3718 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2026-03-10 through 2026-04-01
Tue,Wed 16:50 Denver (DEN) 18:30 Portland (PDX)
WN 3718 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-04-07 through 2026-06-03
Sun 19:00 Portland (PDX) 20:30 Sacramento (SMF) B
WN 3718 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Operates only on 2026-05-24
Tue,Wed 19:15 Detroit (DTW) E 19:30 Chicago Midway (MDW)
WN 3718 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2026-03-10 through 2026-04-01
Tue,Wed 19:25 Portland (PDX) 20:55 Sacramento (SMF) B
WN 3718 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-04-07 through 2026-06-03
Sat 20:15 Detroit (DTW) E 20:30 Chicago Midway (MDW)
WN 3718 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2026-03-07 through 2026-04-04
Mon,Thu,Fri 20:50 Portland (PDX) 22:20 Sacramento (SMF) B
WN 3718 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-04-09 through 2026-06-01
Sun 21:20 Portland (PDX) 22:50 Sacramento (SMF) B
WN 3718 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-04-12 through 2026-05-17
Sun 21:20 Portland (PDX) 22:50 Sacramento (SMF) B
WN 3718 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Operates only on 2026-05-31
Non-Direct Flights:
Sun 11:00 Baltimore (BWI) 13:25 Chicago Midway (MDW)
WN 3718 1-stop Boeing 737-800 (73H) 3:25 Effective 2026-03-08 through 2026-04-05
Sat 13:00 Phoenix Sky Harbor (PHX) 4 20:30 Chicago Midway (MDW)
WN 3718 1-stop Boeing 737 MAX 8 (7M8) 5:30 Effective 2026-03-14 through 2026-04-04
Sat 14:00 Phoenix Sky Harbor (PHX) 4 20:30 Chicago Midway (MDW)
WN 3718 1-stop Boeing 737 MAX 8 (7M8) 5:30 Operates only on 2026-03-07
Tue,Wed 15:50 Nashville (BNA) 19:30 Chicago Midway (MDW)
WN 3718 1-stop Boeing 737 MAX 8 (7M8) 3:40 Effective 2026-03-10 through 2026-04-01
Tue,Wed 16:50 Denver (DEN) 20:55 Sacramento (SMF) B
WN 3718 1-stop Boeing 737 MAX 8 (7M8) 5:05 Effective 2026-04-07 through 2026-06-03
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 3718: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN3718
06:40
Spokane (GEG)

09:55
Denver (DEN)
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3718
07:05
Lubbock (LBB)

08:25
Austin (AUS)
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3718
10:00
Luis Munoz Marin, San Juan (SJU) B

14:10
Baltimore (BWI)
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3718
10:20
Luis Munoz Marin, San Juan (SJU) B

14:25
Baltimore (BWI)
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3718
11:00
Baltimore (BWI)

12:35
Detroit (DTW) E
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3718
11:20
Luis Munoz Marin, San Juan (SJU) B

15:30
Baltimore (BWI)
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:10, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3718
13:00
Phoenix Sky Harbor (PHX) 4

19:35
Detroit (DTW) E
Effective 2026-03-14 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:35, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3718
13:15
Detroit (DTW) E

13:25
Chicago Midway (MDW)
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3718
13:50
Spokane (GEG)

17:05
Denver (DEN)
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3718
14:00
Phoenix Sky Harbor (PHX) 4

19:35
Detroit (DTW) E
Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:35, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3718
15:25
Luis Munoz Marin, San Juan (SJU) B

18:05
Nashville (BNA)
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3718
15:50
Nashville (BNA)

18:30
Detroit (DTW) E
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3718
16:50
Denver (DEN)

18:30
Portland (PDX)
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3718
19:00
Portland (PDX)

20:30
Sacramento (SMF) B
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 WN3718
19:15
Detroit (DTW) E

19:30
Chicago Midway (MDW)
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3718
19:25
Portland (PDX)

20:55
Sacramento (SMF) B
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3718
20:15
Detroit (DTW) E

20:30
Chicago Midway (MDW)
Effective 2026-03-07 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3718
20:50
Portland (PDX)

22:20
Sacramento (SMF) B
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3718
21:20
Portland (PDX)

22:50
Sacramento (SMF) B
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3718
21:20
Portland (PDX)

22:50
Sacramento (SMF) B
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN3718
11:00
Baltimore (BWI)

13:25
Chicago Midway (MDW)
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:25, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN3718
13:00
Phoenix Sky Harbor (PHX) 4

20:30
Chicago Midway (MDW)
Effective 2026-03-14 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:30, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN3718
14:00
Phoenix Sky Harbor (PHX) 4

20:30
Chicago Midway (MDW)
Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:30, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN3718
15:50
Nashville (BNA)

19:30
Chicago Midway (MDW)
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:40, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN3718
16:50
Denver (DEN)

20:55
Sacramento (SMF) B
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:05, 1-stop
Boeing 737 MAX 8 (7M8)
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This flight number is listed as serving the following routes:
  • Baltimore (BWI) - Chicago Midway (MDW)
  • Baltimore (BWI) - Detroit (DTW)
  • Denver (DEN) - Portland (PDX)
  • Denver (DEN) - Sacramento (SMF)
  • Detroit (DTW) - Chicago Midway (MDW)
  • Lubbock (LBB) - Austin (AUS)
  • Luis Munoz Marin, San Juan (SJU) - Baltimore (BWI)
  • Luis Munoz Marin, San Juan (SJU) - Nashville (BNA)
  • Nashville (BNA) - Chicago Midway (MDW)
  • Nashville (BNA) - Detroit (DTW)
  • Phoenix Sky Harbor (PHX) - Chicago Midway (MDW)
  • Phoenix Sky Harbor (PHX) - Detroit (DTW)
  • Portland (PDX) - Sacramento (SMF)
  • Spokane (GEG) - Denver (DEN)
All Southwest Airlines flights
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