Southwest Airlines flight WN 3781: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 08:30 Sacramento (SMF) B 11:00 Honolulu (HNL) 2
WN 3781 Non-stop Boeing 737 MAX 8 (7M8) 5:30 Effective 2026-06-04 through 2026-08-03
Wed,Thu 08:40 San Diego (SAN) 1 12:10 Denver (DEN)
WN 3781 Non-stop Boeing 737-800 (73H) 2:30 Valid until 2026-01-01
Mon 14:05 San Diego (SAN) 1 17:30 Denver (DEN)
WN 3781 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Operates only on 2026-01-05
Sat 15:00 Saint Louis (STL) 2 17:55 Jacksonville (JAX)
WN 3781 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2026-02-14 through 2026-02-28
Sat 16:20 Dallas Love Field (DAL) 1 18:10 Panama City (ECP)
WN 3781 Non-stop Boeing 737-800 (73H) 1:50 Effective 2026-08-08 through 2026-09-26
Tue,Wed 18:05 Long Beach (LGB) 19:35 Sacramento (SMF) B
WN 3781 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-03-10 through 2026-04-01
Sun 18:10 Long Beach (LGB) 19:40 Sacramento (SMF) B
WN 3781 Non-stop Boeing 737-800 (73H) 1:30 Effective 2026-03-08 through 2026-04-05
Sat 18:35 Long Beach (LGB) 20:05 Sacramento (SMF) B
WN 3781 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-03-07 through 2026-04-04
Mon,Thu,Fri 19:00 Long Beach (LGB) 20:30 Sacramento (SMF) B
WN 3781 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-03-05 through 2026-04-06
Mon,Thu,Fri 19:10 Dallas Love Field (DAL) 1 21:00 Panama City (ECP)
WN 3781 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2026-08-06 through 2026-09-28
Sun 20:00 Dallas Love Field (DAL) 1 21:50 Panama City (ECP)
WN 3781 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2026-08-09 through 2026-09-27
Sun 20:35 Chicago Midway (MDW) 23:00 Los Angeles (LAX) 1
WN 3781 Non-stop Boeing 737 MAX 8 (7M8) 4:25 Operates only on 2026-05-24
Mon,Thu,Fri 20:55 Saint Louis (STL) 2 23:50 Jacksonville (JAX)
WN 3781 Non-stop Boeing 737-800 (73H) 1:55 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 20:55 Saint Louis (STL) 2 23:50 Jacksonville (JAX)
WN 3781 Non-stop Boeing 737-800 (73H) 1:55 Effective 2026-02-20 through 2026-03-01
Sun 22:55 Las Vegas Harry Reid (LAS) 1 00:10 Los Angeles (LAX) 1
WN 3781 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-04-12 through 2026-05-17
The flight arrives 1 day after departure.
Sun 22:55 Las Vegas Harry Reid (LAS) 1 00:10 Los Angeles (LAX) 1
WN 3781 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Operates only on 2026-05-31
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 3781: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN3781
08:30
Sacramento (SMF) B

11:00
Honolulu (HNL) 2
Effective 2026-06-04 through 2026-08-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3781
08:40
San Diego (SAN) 1

12:10
Denver (DEN)
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:30, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3781
14:05
San Diego (SAN) 1

17:30
Denver (DEN)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3781
15:00
Saint Louis (STL) 2

17:55
Jacksonville (JAX)
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3781
16:20
Dallas Love Field (DAL) 1

18:10
Panama City (ECP)
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:50, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3781
18:05
Long Beach (LGB)

19:35
Sacramento (SMF) B
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3781
18:10
Long Beach (LGB)

19:40
Sacramento (SMF) B
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3781
18:35
Long Beach (LGB)

20:05
Sacramento (SMF) B
Effective 2026-03-07 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3781
19:00
Long Beach (LGB)

20:30
Sacramento (SMF) B
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3781
19:10
Dallas Love Field (DAL) 1

21:00
Panama City (ECP)
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3781
20:00
Dallas Love Field (DAL) 1

21:50
Panama City (ECP)
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3781
20:35
Chicago Midway (MDW)

23:00
Los Angeles (LAX) 1
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3781
20:55
Saint Louis (STL) 2

23:50
Jacksonville (JAX)
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3781
20:55
Saint Louis (STL) 2

23:50
Jacksonville (JAX)
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3781
22:55
Las Vegas Harry Reid (LAS) 1

00:10(+1)
Los Angeles (LAX) 1
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
The flight arrives 1 day after departure.
Direct Flights:
Southwest Airlines WN3781
22:55
Las Vegas Harry Reid (LAS) 1

00:10(+1)
Los Angeles (LAX) 1
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, 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 Midway (MDW) - Los Angeles (LAX)
  • Dallas Love Field (DAL) - Panama City (ECP)
  • Las Vegas Harry Reid (LAS) - Los Angeles (LAX)
  • Long Beach (LGB) - Sacramento (SMF)
  • Sacramento (SMF) - Honolulu (HNL)
  • Saint Louis (STL) - Jacksonville (JAX)
  • San Diego (SAN) - Denver (DEN)
All Southwest Airlines flights
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