Southwest Airlines flight WN 3687: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 07:00 Chicago O'Hare (ORD) 5 08:55 Phoenix Sky Harbor (PHX) 4
WN 3687 Non-stop Boeing 737 MAX 8 (7M8) 3:55 Effective 2026-04-11 through 2026-05-30
Tue,Wed 07:45 Chicago O'Hare (ORD) 5 09:40 Phoenix Sky Harbor (PHX) 4
WN 3687 Non-stop Boeing 737-700 (Scimitar Winglets) 3:55 Effective 2026-04-07 through 2026-06-03
Mon,Thu,Fri 08:00 Chicago O'Hare (ORD) 5 09:55 Phoenix Sky Harbor (PHX) 4
WN 3687 Non-stop Boeing 737-800 (73H) 3:55 Effective 2026-04-09 through 2026-06-01
Sun 08:00 Chicago O'Hare (ORD) 5 09:55 Phoenix Sky Harbor (PHX) 4
WN 3687 Non-stop Boeing 737-700 (Scimitar Winglets) 3:55 Effective 2026-04-12 through 2026-05-17
Sun 08:00 Chicago O'Hare (ORD) 5 09:55 Phoenix Sky Harbor (PHX) 4
WN 3687 Non-stop Boeing 737-700 (Scimitar Winglets) 3:55 Operates only on 2026-05-31
Wed,Thu 08:10 Baltimore (BWI) 13:15 Luis Munoz Marin, San Juan (SJU) B
WN 3687 Non-stop Boeing 737-800 (73H) 4:05 Valid until 2026-01-01
Mon 08:15 Baltimore (BWI) 13:20 Luis Munoz Marin, San Juan (SJU) B
WN 3687 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Operates only on 2026-01-05
Sat 09:35 Phoenix Sky Harbor (PHX) 4 11:45 San Francisco (SFO) 2
WN 3687 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-04-11 through 2026-05-30
Sun 10:30 Phoenix Sky Harbor (PHX) 4 12:35 Sacramento (SMF) B
WN 3687 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-04-12 through 2026-05-17
Sun 10:30 Phoenix Sky Harbor (PHX) 4 12:35 Sacramento (SMF) B
WN 3687 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Operates only on 2026-05-31
Sat 11:00 Providence (PVD) 14:15 Fort Lauderdale (FLL) 1
WN 3687 Non-stop Boeing 737-800 (73H) 3:15 Valid until 2026-01-03
Tue,Wed 13:15 Long Beach (LGB) 18:20 Houston Hobby (HOU)
WN 3687 Non-stop Boeing 737 MAX 8 (7M8) 3:05 Effective 2026-03-10 through 2026-04-01
Mon,Thu-Sat 14:35 Long Beach (LGB) 19:35 Houston Hobby (HOU)
WN 3687 Non-stop Boeing 737-800 (73H) 3:00 Effective 2026-03-05 through 2026-04-06
Sun 14:35 Long Beach (LGB) 19:35 Houston Hobby (HOU)
WN 3687 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2026-03-08 through 2026-04-05
Sat 16:50 Sacramento (SMF) B 18:05 Burbank (BUR)
WN 3687 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-08-08 through 2026-09-26
Tue,Wed 16:55 Sacramento (SMF) B 18:10 Burbank (BUR)
WN 3687 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-08-04 through 2026-09-30
Mon,Thu,Fri 18:00 Sacramento (SMF) B 19:15 Burbank (BUR)
WN 3687 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-08-06 through 2026-09-28
Mon-Fri 18:35 Sacramento (SMF) B 20:05 Santa Ana (SNA)
WN 3687 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 18:35 Sacramento (SMF) B 20:05 Santa Ana (SNA)
WN 3687 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-01-18 through 2026-01-23
Mon-Fri 18:35 Sacramento (SMF) B 20:05 Santa Ana (SNA)
WN 3687 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 18:35 Sacramento (SMF) B 20:05 Santa Ana (SNA)
WN 3687 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-02-08 through 2026-02-11
Tue,Wed 18:35 Sacramento (SMF) B 20:05 Santa Ana (SNA)
WN 3687 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-02-18 through 2026-03-04
Thu,Fri,Sun 18:45 Sacramento (SMF) B 20:15 Santa Ana (SNA)
WN 3687 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-01-11 through 2026-01-16
Mon,Sun 18:45 Sacramento (SMF) B 20:15 Santa Ana (SNA)
WN 3687 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 18:45 Sacramento (SMF) B 20:15 Santa Ana (SNA)
WN 3687 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-02-01 through 2026-02-06
Mon,Sun 18:45 Sacramento (SMF) B 20:15 Santa Ana (SNA)
WN 3687 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 18:45 Sacramento (SMF) B 20:15 Santa Ana (SNA)
WN 3687 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-02-17 through 2026-02-23
Mon 18:45 Sacramento (SMF) B 20:15 Santa Ana (SNA)
WN 3687 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Operates only on 2026-03-02
Sun 18:45 Sacramento (SMF) B 20:00 Burbank (BUR)
WN 3687 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-08-09 through 2026-09-27
Sat 19:00 Sacramento (SMF) B 20:25 Santa Ana (SNA)
WN 3687 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-02-14 through 2026-02-28
Mon,Thu,Fri 19:10 Sacramento (SMF) B 20:35 Santa Ana (SNA)
WN 3687 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 19:10 Sacramento (SMF) B 20:35 Santa Ana (SNA)
WN 3687 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-02-20 through 2026-03-01
Sat 19:20 Fort Myers (RSW) 21:45 John Glenn Columbus (CMH)
WN 3687 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-06-06 through 2026-08-01
Non-Direct Flights:
Sat 07:00 Chicago O'Hare (ORD) 5 11:45 San Francisco (SFO) 2
WN 3687 1-stop Boeing 737 MAX 8 (7M8) 6:45 Effective 2026-04-11 through 2026-05-30
Sun 08:00 Chicago O'Hare (ORD) 5 12:35 Sacramento (SMF) B
WN 3687 1-stop Boeing 737-700 (Scimitar Winglets) 6:35 Effective 2026-04-12 through 2026-05-17
Sun 08:00 Chicago O'Hare (ORD) 5 12:35 Sacramento (SMF) B
WN 3687 1-stop Boeing 737-700 (Scimitar Winglets) 6:35 Operates only on 2026-05-31
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 3687: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN3687
07:00
Chicago O'Hare (ORD) 5

08:55
Phoenix Sky Harbor (PHX) 4
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3687
07:45
Chicago O'Hare (ORD) 5

09:40
Phoenix Sky Harbor (PHX) 4
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3687
08:00
Chicago O'Hare (ORD) 5

09:55
Phoenix Sky Harbor (PHX) 4
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:55, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3687
08:00
Chicago O'Hare (ORD) 5

09:55
Phoenix Sky Harbor (PHX) 4
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3687
08:00
Chicago O'Hare (ORD) 5

09:55
Phoenix Sky Harbor (PHX) 4
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3687
08:10
Baltimore (BWI)

13:15
Luis Munoz Marin, San Juan (SJU) B
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:05, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3687
08:15
Baltimore (BWI)

13:20
Luis Munoz Marin, San Juan (SJU) B
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3687
09:35
Phoenix Sky Harbor (PHX) 4

11:45
San Francisco (SFO) 2
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3687
10:30
Phoenix Sky Harbor (PHX) 4

12:35
Sacramento (SMF) B
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3687
10:30
Phoenix Sky Harbor (PHX) 4

12:35
Sacramento (SMF) B
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3687
11:00
Providence (PVD)

14:15
Fort Lauderdale (FLL) 1
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:15, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3687
13:15
Long Beach (LGB)

18:20
Houston Hobby (HOU)
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3687
14:35
Long Beach (LGB)

19:35
Houston Hobby (HOU)
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 3:00, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3687
14:35
Long Beach (LGB)

19:35
Houston Hobby (HOU)
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3687
16:50
Sacramento (SMF) B

18:05
Burbank (BUR)
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3687
16:55
Sacramento (SMF) B

18:10
Burbank (BUR)
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3687
18:00
Sacramento (SMF) B

19:15
Burbank (BUR)
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3687
18:35
Sacramento (SMF) B

20:05
Santa Ana (SNA)
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 WN3687
18:35
Sacramento (SMF) B

20:05
Santa Ana (SNA)
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 WN3687
18:35
Sacramento (SMF) B

20:05
Santa Ana (SNA)
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 WN3687
18:35
Sacramento (SMF) B

20:05
Santa Ana (SNA)
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 WN3687
18:35
Sacramento (SMF) B

20:05
Santa Ana (SNA)
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 WN3687
18:45
Sacramento (SMF) B

20:15
Santa Ana (SNA)
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3687
18:45
Sacramento (SMF) B

20:15
Santa Ana (SNA)
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3687
18:45
Sacramento (SMF) B

20:15
Santa Ana (SNA)
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3687
18:45
Sacramento (SMF) B

20:15
Santa Ana (SNA)
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3687
18:45
Sacramento (SMF) B

20:15
Santa Ana (SNA)
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3687
18:45
Sacramento (SMF) B

20:15
Santa Ana (SNA)
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3687
18:45
Sacramento (SMF) B

20:00
Burbank (BUR)
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3687
19:00
Sacramento (SMF) B

20:25
Santa Ana (SNA)
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3687
19:10
Sacramento (SMF) B

20:35
Santa Ana (SNA)
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3687
19:10
Sacramento (SMF) B

20:35
Santa Ana (SNA)
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3687
19:20
Fort Myers (RSW)

21:45
John Glenn Columbus (CMH)
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN3687
07:00
Chicago O'Hare (ORD) 5

11:45
San Francisco (SFO) 2
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:45, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN3687
08:00
Chicago O'Hare (ORD) 5

12:35
Sacramento (SMF) B
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN3687
08:00
Chicago O'Hare (ORD) 5

12:35
Sacramento (SMF) B
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
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Parallax here
This flight number is listed as serving the following routes:
  • Baltimore (BWI) - Luis Munoz Marin, San Juan (SJU)
  • Chicago O'Hare (ORD) - Phoenix Sky Harbor (PHX)
  • Chicago O'Hare (ORD) - Sacramento (SMF)
  • Chicago O'Hare (ORD) - San Francisco (SFO)
  • Fort Myers (RSW) - John Glenn Columbus (CMH)
  • Long Beach (LGB) - Houston Hobby (HOU)
  • Phoenix Sky Harbor (PHX) - Sacramento (SMF)
  • Phoenix Sky Harbor (PHX) - San Francisco (SFO)
  • Providence (PVD) - Fort Lauderdale (FLL)
  • Sacramento (SMF) - Burbank (BUR)
  • Sacramento (SMF) - Santa Ana (SNA)
All Southwest Airlines flights
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