Southwest Airlines flight WN 3756: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 08:00 Santa Ana (SNA) 12:50 Austin (AUS)
WN 3756 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-08-08 through 2026-09-26
Wed,Thu 08:25 Saint Louis (STL) 2 12:05 Fort Lauderdale (FLL) 1
WN 3756 Non-stop Boeing 737-800 (73H) 2:40 Valid until 2026-01-01
Mon,Thu,Fri 11:05 Santa Ana (SNA) 16:00 Austin (AUS)
WN 3756 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-08-06 through 2026-09-28
Sun 14:35 Santa Ana (SNA) 19:30 Austin (AUS)
WN 3756 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-08-09 through 2026-09-27
Sun 14:40 Chicago O'Hare (ORD) 5 17:45 Austin (AUS)
WN 3756 Non-stop Boeing 737 MAX 8 (7M8) 3:05 Operates only on 2026-05-24
Sat 14:45 Pittsburgh (PIT) 16:45 Houston Hobby (HOU)
WN 3756 Non-stop Boeing 737-800 (73H) 3:00 Effective 2026-06-06 through 2026-08-01
Mon-Fri,Sun 15:45 Chicago O'Hare (ORD) 5 18:40 Austin (AUS)
WN 3756 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-04-07 through 2026-05-22
Mon-Fri,Sun 15:45 Chicago O'Hare (ORD) 5 18:40 Austin (AUS)
WN 3756 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-05-25 through 2026-06-03
Sat 16:45 Washington Dulles (IAD) 19:55 Phoenix Sky Harbor (PHX) 4
WN 3756 Non-stop Boeing 737-800 (73H) 5:10 Operates only on 2026-03-07
Sat 16:45 Washington Dulles (IAD) 18:55 Phoenix Sky Harbor (PHX) 4
WN 3756 Non-stop Boeing 737-800 (73H) 5:10 Effective 2026-03-14 through 2026-04-04
Sun 17:05 Washington Dulles (IAD) 19:15 Phoenix Sky Harbor (PHX) 4
WN 3756 Non-stop Boeing 737-700 (Scimitar Winglets) 5:10 Effective 2026-03-08 through 2026-04-05
Tue,Wed 18:10 Washington Dulles (IAD) 20:20 Phoenix Sky Harbor (PHX) 4
WN 3756 Non-stop Boeing 737-800 (73H) 5:10 Effective 2026-03-10 through 2026-04-01
Thu,Fri 19:35 Washington Dulles (IAD) 22:40 Phoenix Sky Harbor (PHX) 4
WN 3756 Non-stop Boeing 737 MAX 8 (7M8) 5:05 Effective 2026-03-05 through 2026-03-06
Mon,Thu,Fri 19:45 Washington Dulles (IAD) 21:50 Phoenix Sky Harbor (PHX) 4
WN 3756 Non-stop Boeing 737 MAX 8 (7M8) 5:05 Effective 2026-03-09 through 2026-04-06
Mon 20:15 Saint Louis (STL) 2 23:55 Fort Lauderdale (FLL) 1
WN 3756 Non-stop Boeing 737-800 (73H) 2:40 Operates only on 2026-01-05
Mon,Tue,Fri,Sun 20:40 Saint Louis (STL) 2 00:15 Fort Lauderdale (FLL) 1
WN 3756 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Valid until 2026-01-04
The flight arrives 1 day after departure.
Sat 20:55 Saint Louis (STL) 2 00:30 Fort Lauderdale (FLL) 1
WN 3756 Non-stop Boeing 737-700 (Scimitar Winglets) 2:35 Operates only on 2026-01-03
The flight arrives 1 day after departure.
This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 3756: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN3756
08:00
Santa Ana (SNA)

12:50
Austin (AUS)
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3756
08:25
Saint Louis (STL) 2

12:05
Fort Lauderdale (FLL) 1
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3756
11:05
Santa Ana (SNA)

16:00
Austin (AUS)
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3756
14:35
Santa Ana (SNA)

19:30
Austin (AUS)
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3756
14:40
Chicago O'Hare (ORD) 5

17:45
Austin (AUS)
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3756
14:45
Pittsburgh (PIT)

16:45
Houston Hobby (HOU)
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:00, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3756
15:45
Chicago O'Hare (ORD) 5

18:40
Austin (AUS)
Effective 2026-04-07 through 2026-05-22
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3756
15:45
Chicago O'Hare (ORD) 5

18:40
Austin (AUS)
Effective 2026-05-25 through 2026-06-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3756
16:45
Washington Dulles (IAD)

19:55
Phoenix Sky Harbor (PHX) 4
Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:10, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3756
16:45
Washington Dulles (IAD)

18:55
Phoenix Sky Harbor (PHX) 4
Effective 2026-03-14 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:10, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3756
17:05
Washington Dulles (IAD)

19:15
Phoenix Sky Harbor (PHX) 4
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3756
18:10
Washington Dulles (IAD)

20:20
Phoenix Sky Harbor (PHX) 4
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:10, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3756
19:35
Washington Dulles (IAD)

22:40
Phoenix Sky Harbor (PHX) 4
Effective 2026-03-05 through 2026-03-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:05, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3756
19:45
Washington Dulles (IAD)

21:50
Phoenix Sky Harbor (PHX) 4
Effective 2026-03-09 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:05, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3756
20:15
Saint Louis (STL) 2

23:55
Fort Lauderdale (FLL) 1
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3756
20:40
Saint Louis (STL) 2

00:15(+1)
Fort Lauderdale (FLL) 1
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Flights:
Southwest Airlines WN3756
20:55
Saint Louis (STL) 2

00:30(+1)
Fort Lauderdale (FLL) 1
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:35, non-stop
Boeing 737-700 (Scimitar Winglets)
The flight arrives 1 day after departure.
This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Austin (AUS)
  • Pittsburgh (PIT) - Houston Hobby (HOU)
  • Saint Louis (STL) - Fort Lauderdale (FLL)
  • Santa Ana (SNA) - Austin (AUS)
  • Washington Dulles (IAD) - Phoenix Sky Harbor (PHX)
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