Southwest Airlines flight WN 3856: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sun 06:45 Los Angeles (LAX) 1 11:35 Austin (AUS)
WN 3856 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Operates only on 2025-11-30
Sun 12:10 Austin (AUS) 13:35 New Orleans (MSY)
WN 3856 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Operates only on 2025-11-30
Tue,Wed 12:35 Sacramento (SMF) B 14:30 Phoenix Sky Harbor (PHX) 4
WN 3856 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2025-06-10 through 2025-07-30
Tue,Wed 13:00 Denver (DEN) 17:20 Indianapolis (IND)
WN 3856 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-10-07 through 2025-10-29
Mon,Thu,Fri,Sun 14:00 New Orleans (MSY) 16:35 Tampa (TPA)
WN 3856 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 14:00 New Orleans (MSY) 16:35 Tampa (TPA)
WN 3856 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2025-11-21 through 2025-11-28
Fri,Sun 14:00 New Orleans (MSY) 16:35 Tampa (TPA)
WN 3856 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2025-12-07 through 2025-12-14
Thu 14:00 New Orleans (MSY) 16:35 Tampa (TPA)
WN 3856 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Operates only on 2025-12-18
Mon 14:00 New Orleans (MSY) 16:35 Tampa (TPA)
WN 3856 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Operates only on 2026-01-05
Sun 14:10 New Orleans (MSY) 16:45 Tampa (TPA)
WN 3856 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Operates only on 2025-11-30
Sun 15:00 Santa Ana (SNA) 16:20 San Jose (SJC) B
WN 3856 Non-stop Boeing 737-700 (73W) 1:20 Operates only on 2025-05-25
Sat 17:30 Denver (DEN) 21:50 Indianapolis (IND)
WN 3856 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-10-04 through 2025-11-01
Sun 17:55 Sacramento (SMF) B 19:55 Phoenix Sky Harbor (PHX) 4
WN 3856 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2025-06-08 through 2025-08-03
Mon,Thu,Fri 18:10 Denver (DEN) 22:35 Indianapolis (IND)
WN 3856 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2025-10-02 through 2025-10-31
Mon,Thu,Fri 18:15 Sacramento (SMF) B 20:10 Phoenix Sky Harbor (PHX) 4
WN 3856 Non-stop Boeing 737-700 (73W) 1:55 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 18:15 Sacramento (SMF) B 20:10 Phoenix Sky Harbor (PHX) 4
WN 3856 Non-stop Boeing 737-700 (73W) 1:55 Effective 2025-07-07 through 2025-08-04
Sat 20:00 Sacramento (SMF) B 21:55 Phoenix Sky Harbor (PHX) 4
WN 3856 Non-stop Boeing 737-800 (73H) 1:55 Effective 2025-06-07 through 2025-08-02
Sun 20:25 Philadelphia (PHL) E 21:35 Midway, Chicago (MDW)
WN 3856 Non-stop Boeing 737-700 (73W) 2:10 Effective 2025-08-10 through 2025-08-24
Sun 20:25 Philadelphia (PHL) E 21:35 Midway, Chicago (MDW)
WN 3856 Non-stop Boeing 737-700 (73W) 2:10 Effective 2025-09-07 through 2025-09-28
Mon,Thu,Fri 20:45 Phoenix Sky Harbor (PHX) 4 00:55 Oklahoma City (OKC)
WN 3856 Non-stop Boeing 737-700 (73W) 2:10 Effective 2025-06-05 through 2025-07-03
The flight arrives 1 day after departure.
Mon,Thu,Fri 20:45 Phoenix Sky Harbor (PHX) 4 00:55 Oklahoma City (OKC)
WN 3856 Non-stop Boeing 737-700 (73W) 2:10 Effective 2025-07-07 through 2025-08-04
The flight arrives 1 day after departure.
Sun 21:20 Denver (DEN) 01:40 Indianapolis (IND)
WN 3856 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-10-05 through 2025-10-26
The flight arrives 1 day after departure.
Non-Direct Flights:
Sun 06:45 Los Angeles (LAX) 1 13:35 New Orleans (MSY)
WN 3856 1-stop Boeing 737-700 (Scimitar Winglets) 4:50 Operates only on 2025-11-30
Sun 12:10 Austin (AUS) 16:45 Tampa (TPA)
WN 3856 1-stop Boeing 737-700 (Scimitar Winglets) 3:35 Operates only on 2025-11-30
Mon,Thu,Fri 18:15 Sacramento (SMF) B 00:55 Oklahoma City (OKC)
WN 3856 1-stop Boeing 737-700 (73W) 4:40 Effective 2025-06-05 through 2025-07-03
The flight arrives 1 day after departure.
Mon,Thu,Fri 18:15 Sacramento (SMF) B 00:55 Oklahoma City (OKC)
WN 3856 1-stop Boeing 737-700 (73W) 4:40 Effective 2025-07-07 through 2025-08-04
The flight arrives 1 day after departure.
Sun 06:45 Los Angeles (LAX) 1 16:45 Tampa (TPA)
WN 3856 2-stop Boeing 737-700 (Scimitar Winglets) 7:00 Operates only on 2025-11-30
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 3856: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN3856
06:45
Los Angeles (LAX) 1

11:35
Austin (AUS)
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3856
12:10
Austin (AUS)

13:35
New Orleans (MSY)
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3856
12:35
Sacramento (SMF) B

14:30
Phoenix Sky Harbor (PHX) 4
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3856
13:00
Denver (DEN)

17:20
Indianapolis (IND)
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3856
14:00
New Orleans (MSY)

16:35
Tampa (TPA)
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3856
14:00
New Orleans (MSY)

16:35
Tampa (TPA)
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3856
14:00
New Orleans (MSY)

16:35
Tampa (TPA)
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3856
14:00
New Orleans (MSY)

16:35
Tampa (TPA)
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3856
14:00
New Orleans (MSY)

16:35
Tampa (TPA)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3856
14:10
New Orleans (MSY)

16:45
Tampa (TPA)
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3856
15:00
Santa Ana (SNA)

16:20
San Jose (SJC) B
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3856
17:30
Denver (DEN)

21:50
Indianapolis (IND)
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3856
17:55
Sacramento (SMF) B

19:55
Phoenix Sky Harbor (PHX) 4
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3856
18:10
Denver (DEN)

22:35
Indianapolis (IND)
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3856
18:15
Sacramento (SMF) B

20:10
Phoenix Sky Harbor (PHX) 4
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3856
18:15
Sacramento (SMF) B

20:10
Phoenix Sky Harbor (PHX) 4
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3856
20:00
Sacramento (SMF) B

21:55
Phoenix Sky Harbor (PHX) 4
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:55, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3856
20:25
Philadelphia (PHL) E

21:35
Midway, Chicago (MDW)
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3856
20:25
Philadelphia (PHL) E

21:35
Midway, Chicago (MDW)
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3856
20:45
Phoenix Sky Harbor (PHX) 4

00:55(+1)
Oklahoma City (OKC)
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737-700 (73W)
The flight arrives 1 day after departure.
Southwest Airlines WN3856
20:45
Phoenix Sky Harbor (PHX) 4

00:55(+1)
Oklahoma City (OKC)
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737-700 (73W)
The flight arrives 1 day after departure.
Southwest Airlines WN3856
21:20
Denver (DEN)

01:40(+1)
Indianapolis (IND)
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Non-Direct Flights:
Southwest Airlines WN3856
06:45
Los Angeles (LAX) 1

13:35
New Orleans (MSY)
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:50, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3856
12:10
Austin (AUS)

16:45
Tampa (TPA)
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3856
18:15
Sacramento (SMF) B

00:55(+1)
Oklahoma City (OKC)
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:40, 1-stop
Boeing 737-700 (73W)
The flight arrives 1 day after departure.
Southwest Airlines WN3856
18:15
Sacramento (SMF) B

00:55(+1)
Oklahoma City (OKC)
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:40, 1-stop
Boeing 737-700 (73W)
The flight arrives 1 day after departure.
Southwest Airlines WN3856
06:45
Los Angeles (LAX) 1

16:45
Tampa (TPA)
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 7:00, 2-stop
Boeing 737-700 (Scimitar Winglets)
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This flight number is listed as serving the following routes:
  • Austin (AUS) - New Orleans (MSY)
  • Austin (AUS) - Tampa (TPA)
  • Denver (DEN) - Indianapolis (IND)
  • Los Angeles (LAX) - Austin (AUS)
  • Los Angeles (LAX) - New Orleans (MSY)
  • Los Angeles (LAX) - Tampa (TPA)
  • New Orleans (MSY) - Tampa (TPA)
  • Philadelphia (PHL) - Midway, Chicago (MDW)
  • Phoenix Sky Harbor (PHX) - Oklahoma City (OKC)
  • Sacramento (SMF) - Oklahoma City (OKC)
  • Sacramento (SMF) - Phoenix Sky Harbor (PHX)
  • Santa Ana (SNA) - San Jose (SJC)
All Southwest Airlines flights
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