Southwest Airlines flight WN 3639: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sun 11:20 Spokane (GEG) 13:55 Phoenix Sky Harbor (PHX) 4
WN 3639 Non-stop Boeing 737-700 (Scimitar Winglets) 2:35 Operates only on 2026-05-24
Sun 12:15 Spokane (GEG) 14:50 Phoenix Sky Harbor (PHX) 4
WN 3639 Non-stop Boeing 737-700 (Scimitar Winglets) 2:35 Effective 2026-04-12 through 2026-05-17
Sun 12:15 Spokane (GEG) 14:50 Phoenix Sky Harbor (PHX) 4
WN 3639 Non-stop Boeing 737-700 (Scimitar Winglets) 2:35 Operates only on 2026-05-31
Tue,Wed 14:55 San Jose (SJC) B 16:20 Santa Ana (SNA)
WN 3639 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-08-04 through 2026-09-30
Tue,Wed,Sun 15:30 Phoenix Sky Harbor (PHX) 4 16:40 San Diego (SAN) 1
WN 3639 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-04-07 through 2026-05-20
Tue,Wed,Sun 15:30 Phoenix Sky Harbor (PHX) 4 16:40 San Diego (SAN) 1
WN 3639 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-05-26 through 2026-06-03
Sun 16:30 Luis Munoz Marin, San Juan (SJU) B 20:20 Chicago Midway (MDW)
WN 3639 Non-stop Boeing 737-800 (73H) 4:50 Effective 2026-06-07 through 2026-08-02
Mon,Thu,Fri 16:55 San Jose (SJC) B 18:20 Santa Ana (SNA)
WN 3639 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2026-08-06 through 2026-09-28
Sat 17:20 Denver (DEN) 20:40 Chicago Midway (MDW)
WN 3639 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Valid until 2026-01-03
Mon,Thu-Sat 20:00 Nashville (BNA) 22:10 Dallas Love Field (DAL) 1
WN 3639 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-03-05 through 2026-04-06
Non-Direct Flights:
Sun 12:15 Spokane (GEG) 16:40 San Diego (SAN) 1
WN 3639 1-stop Boeing 737-700 (Scimitar Winglets) 4:25 Effective 2026-04-12 through 2026-05-17
Sun 12:15 Spokane (GEG) 16:40 San Diego (SAN) 1
WN 3639 1-stop Boeing 737-700 (Scimitar Winglets) 4:25 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 3639: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN3639
11:20
Spokane (GEG)

13:55
Phoenix Sky Harbor (PHX) 4
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3639
12:15
Spokane (GEG)

14:50
Phoenix Sky Harbor (PHX) 4
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3639
12:15
Spokane (GEG)

14:50
Phoenix Sky Harbor (PHX) 4
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3639
14:55
San Jose (SJC) B

16:20
Santa Ana (SNA)
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3639
15:30
Phoenix Sky Harbor (PHX) 4

16:40
San Diego (SAN) 1
Effective 2026-04-07 through 2026-05-20
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3639
15:30
Phoenix Sky Harbor (PHX) 4

16:40
San Diego (SAN) 1
Effective 2026-05-26 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3639
16:30
Luis Munoz Marin, San Juan (SJU) B

20:20
Chicago Midway (MDW)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:50, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3639
16:55
San Jose (SJC) B

18:20
Santa Ana (SNA)
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3639
17:20
Denver (DEN)

20:40
Chicago Midway (MDW)
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3639
20:00
Nashville (BNA)

22:10
Dallas Love Field (DAL) 1
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN3639
12:15
Spokane (GEG)

16:40
San Diego (SAN) 1
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN3639
12:15
Spokane (GEG)

16:40
San Diego (SAN) 1
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
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This flight number is listed as serving the following routes:
  • Denver (DEN) - Chicago Midway (MDW)
  • Luis Munoz Marin, San Juan (SJU) - Chicago Midway (MDW)
  • Nashville (BNA) - Dallas Love Field (DAL)
  • Phoenix Sky Harbor (PHX) - San Diego (SAN)
  • San Jose (SJC) - Santa Ana (SNA)
  • Spokane (GEG) - Phoenix Sky Harbor (PHX)
  • Spokane (GEG) - San Diego (SAN)
All Southwest Airlines flights
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