Southwest Airlines flight WN 3729: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Tue,Wed 12:30 Los Angeles (LAX) 1 18:00 Saint Louis (STL) 2
WN 3729 Non-stop Boeing 737 MAX 8 (7M8) 3:30 Effective 2026-03-10 through 2026-04-01
Sat 12:35 Kansas City (MCI) 16:20 Sarasota/Bradenton (SRQ)
WN 3729 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-06-06 through 2026-08-01
Tue,Wed 12:55 Sacramento (SMF) B 14:50 Phoenix Sky Harbor (PHX) 4
WN 3729 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2026-08-04 through 2026-09-30
Sun 13:15 Luis Munoz Marin, San Juan (SJU) B 17:20 Chicago O'Hare (ORD) 5
WN 3729 Non-stop Boeing 737-800 (73H) 5:05 Effective 2026-06-07 through 2026-08-02
Mon,Thu,Fri,Sun 13:25 Los Angeles (LAX) 1 18:55 Saint Louis (STL) 2
WN 3729 Non-stop Boeing 737 MAX 8 (7M8) 3:30 Effective 2026-03-05 through 2026-04-06
Tue,Wed 14:00 Philadelphia (PHL) E 15:10 Chicago Midway (MDW)
WN 3729 Non-stop Boeing 737-800 (73H) 2:10 Effective 2026-04-07 through 2026-06-03
Sun 14:05 Philadelphia (PHL) E 15:15 Chicago Midway (MDW)
WN 3729 Non-stop Boeing 737-800 (73H) 2:10 Effective 2026-04-12 through 2026-05-17
Sun 14:05 Philadelphia (PHL) E 15:15 Chicago Midway (MDW)
WN 3729 Non-stop Boeing 737-800 (73H) 2:10 Operates only on 2026-05-31
Mon,Thu,Fri 14:15 Philadelphia (PHL) E 15:25 Chicago Midway (MDW)
WN 3729 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-04-09 through 2026-06-01
Mon,Thu,Fri 14:30 Luis Munoz Marin, San Juan (SJU) B 18:35 Chicago O'Hare (ORD) 5
WN 3729 Non-stop Boeing 737 MAX 8 (7M8) 5:05 Effective 2026-06-04 through 2026-08-03
Tue,Wed 14:30 Luis Munoz Marin, San Juan (SJU) B 18:35 Chicago O'Hare (ORD) 5
WN 3729 Non-stop Boeing 737-800 (73H) 5:05 Effective 2026-06-09 through 2026-07-29
Sun 15:05 Sacramento (SMF) B 17:00 Phoenix Sky Harbor (PHX) 4
WN 3729 Non-stop Boeing 737-800 (73H) 1:55 Effective 2026-08-09 through 2026-09-27
Sat 15:45 Philadelphia (PHL) E 17:00 Chicago Midway (MDW)
WN 3729 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-04-11 through 2026-05-30
Mon,Thu,Fri 18:00 Sacramento (SMF) B 19:55 Phoenix Sky Harbor (PHX) 4
WN 3729 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2026-08-06 through 2026-09-28
Sat 18:50 Boise (BOI) 20:55 Phoenix Sky Harbor (PHX) 4
WN 3729 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Valid until 2026-01-03
This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 3729: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN3729
12:30
Los Angeles (LAX) 1

18:00
Saint Louis (STL) 2
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3729
12:35
Kansas City (MCI)

16:20
Sarasota/Bradenton (SRQ)
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3729
12:55
Sacramento (SMF) B

14:50
Phoenix Sky Harbor (PHX) 4
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3729
13:15
Luis Munoz Marin, San Juan (SJU) B

17:20
Chicago O'Hare (ORD) 5
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:05, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3729
13:25
Los Angeles (LAX) 1

18:55
Saint Louis (STL) 2
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3729
14:00
Philadelphia (PHL) E

15:10
Chicago Midway (MDW)
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3729
14:05
Philadelphia (PHL) E

15:15
Chicago Midway (MDW)
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3729
14:05
Philadelphia (PHL) E

15:15
Chicago Midway (MDW)
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3729
14:15
Philadelphia (PHL) E

15:25
Chicago Midway (MDW)
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3729
14:30
Luis Munoz Marin, San Juan (SJU) B

18:35
Chicago O'Hare (ORD) 5
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:05, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3729
14:30
Luis Munoz Marin, San Juan (SJU) B

18:35
Chicago O'Hare (ORD) 5
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:05, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3729
15:05
Sacramento (SMF) B

17:00
Phoenix Sky Harbor (PHX) 4
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3729
15:45
Philadelphia (PHL) E

17:00
Chicago Midway (MDW)
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3729
18:00
Sacramento (SMF) B

19:55
Phoenix Sky Harbor (PHX) 4
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3729
18:50
Boise (BOI)

20:55
Phoenix Sky Harbor (PHX) 4
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
This flight number is listed as serving the following routes:
  • Boise (BOI) - Phoenix Sky Harbor (PHX)
  • Kansas City (MCI) - Sarasota/Bradenton (SRQ)
  • Los Angeles (LAX) - Saint Louis (STL)
  • Luis Munoz Marin, San Juan (SJU) - Chicago O'Hare (ORD)
  • Philadelphia (PHL) - Chicago Midway (MDW)
  • Sacramento (SMF) - Phoenix Sky Harbor (PHX)
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