Southwest Airlines flight WN 3831: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 06:00 New Orleans (MSY) 08:35 Tampa (TPA)
WN 3831 Non-stop Boeing 737-700 (73W) 1:35 Effective 2025-08-07 through 2025-09-29
Mon,Thu,Fri 06:05 San Francisco (SFO) 2 12:10 Midway, Chicago (MDW)
WN 3831 Non-stop Boeing 737-800 (73H) 4:05 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 06:05 San Francisco (SFO) 2 12:10 Midway, Chicago (MDW)
WN 3831 Non-stop Boeing 737-800 (73H) 4:05 Effective 2025-07-07 through 2025-08-04
Tue,Wed 06:35 Las Vegas Harry Reid (LAS) 1 07:50 Los Angeles (LAX) 1
WN 3831 Non-stop Boeing 737-800 (73H) 1:15 Effective 2025-10-07 through 2025-10-29
Sat 07:05 Fort Myers (RSW) 08:50 Saint Louis (STL) 2
WN 3831 Non-stop Boeing 737-700 (Scimitar Winglets) 2:45 Effective 2025-11-22 through 2025-11-29
Sat 07:05 Fort Myers (RSW) 08:50 Saint Louis (STL) 2
WN 3831 Non-stop Boeing 737-700 (Scimitar Winglets) 2:45 Effective 2025-12-20 through 2026-01-03
Fri 07:25 San Francisco (SFO) 2 13:30 Midway, Chicago (MDW)
WN 3831 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Operates only on 2025-07-04
Mon-Wed 07:30 Fort Myers (RSW) 09:10 Saint Louis (STL) 2
WN 3831 Non-stop Boeing 737-800 (73H) 2:40 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 07:30 Fort Myers (RSW) 09:10 Saint Louis (STL) 2
WN 3831 Non-stop Boeing 737-800 (73H) 2:40 Effective 2025-12-19 through 2026-01-04
Sat 07:40 San Francisco (SFO) 2 13:45 Midway, Chicago (MDW)
WN 3831 Non-stop Boeing 737-800 (73H) 4:05 Effective 2025-06-07 through 2025-08-02
Sat 07:55 Las Vegas Harry Reid (LAS) 1 09:15 Los Angeles (LAX) 1
WN 3831 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-10-04 through 2025-11-01
Sun 08:00 New Orleans (MSY) 10:35 Tampa (TPA)
WN 3831 Non-stop Boeing 737-700 (73W) 1:35 Effective 2025-08-10 through 2025-08-24
Sun 08:00 New Orleans (MSY) 10:35 Tampa (TPA)
WN 3831 Non-stop Boeing 737-700 (73W) 1:35 Effective 2025-09-07 through 2025-09-28
Sun 08:10 San Francisco (SFO) 2 14:10 Midway, Chicago (MDW)
WN 3831 Non-stop Boeing 737-800 (73H) 4:00 Effective 2025-06-08 through 2025-08-03
Mon,Thu,Fri 08:30 Las Vegas Harry Reid (LAS) 1 09:50 Los Angeles (LAX) 1
WN 3831 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2025-10-02 through 2025-10-31
Tue,Wed 08:30 Los Angeles (LAX) 1 14:15 New Orleans (MSY)
WN 3831 Non-stop Boeing 737-800 (73H) 3:45 Effective 2025-10-07 through 2025-10-29
Tue,Wed 08:35 New Orleans (MSY) 11:10 Tampa (TPA)
WN 3831 Non-stop Boeing 737-800 (73H) 1:35 Effective 2025-08-05 through 2025-10-01
Sat 09:00 New Orleans (MSY) 11:35 Tampa (TPA)
WN 3831 Non-stop Boeing 737-700 (73W) 1:35 Effective 2025-08-09 through 2025-09-27
Tue,Wed 09:10 San Francisco (SFO) 2 15:15 Midway, Chicago (MDW)
WN 3831 Non-stop Boeing 737-700 (73W) 4:05 Effective 2025-06-10 through 2025-07-30
Sun 09:45 Hartford (BDL) 11:00 Baltimore (BWI)
WN 3831 Non-stop Boeing 737-700 (73W) 1:15 Operates only on 2025-05-25
Sat 09:50 Los Angeles (LAX) 1 11:10 San Jose (SJC) B
WN 3831 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-10-04 through 2025-11-01
Sun 11:40 Baltimore (BWI) 12:50 Saint Louis (STL) 2
WN 3831 Non-stop Boeing 737-700 (73W) 2:10 Operates only on 2025-05-25
Sat 12:10 Tampa (TPA) 14:30 Pittsburgh (PIT)
WN 3831 Non-stop Boeing 737-700 (73W) 2:20 Effective 2025-08-09 through 2025-09-27
Sat 15:05 Pittsburgh (PIT) 16:30 Phoenix Sky Harbor (PHX) 4
WN 3831 Non-stop Boeing 737-700 (73W) 4:25 Effective 2025-08-09 through 2025-09-27
Tue,Wed 15:10 New Orleans (MSY) 17:35 Atlanta (ATL) N
WN 3831 Non-stop Boeing 737-800 (73H) 1:25 Effective 2025-10-07 through 2025-10-29
Sun 20:10 Nashville (BNA) 22:40 Raleigh/Durham (RDU) 1
WN 3831 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2025-10-05 through 2025-10-26
Non-Direct Flights:
Tue,Wed 06:35 Las Vegas Harry Reid (LAS) 1 14:15 New Orleans (MSY)
WN 3831 1-stop Boeing 737-800 (73H) 5:40 Effective 2025-10-07 through 2025-10-29
Sat 07:55 Las Vegas Harry Reid (LAS) 1 11:10 San Jose (SJC) B
WN 3831 1-stop Boeing 737-700 (Scimitar Winglets) 3:15 Effective 2025-10-04 through 2025-11-01
Tue,Wed 08:30 Los Angeles (LAX) 1 17:35 Atlanta (ATL) N
WN 3831 1-stop Boeing 737-800 (73H) 6:05 Effective 2025-10-07 through 2025-10-29
Sat 09:00 New Orleans (MSY) 14:30 Pittsburgh (PIT)
WN 3831 1-stop Boeing 737-700 (73W) 4:30 Effective 2025-08-09 through 2025-09-27
Sun 09:45 Hartford (BDL) 12:50 Saint Louis (STL) 2
WN 3831 1-stop Boeing 737-700 (73W) 4:05 Operates only on 2025-05-25
Sat 12:10 Tampa (TPA) 16:30 Phoenix Sky Harbor (PHX) 4
WN 3831 1-stop Boeing 737-700 (73W) 7:20 Effective 2025-08-09 through 2025-09-27
Tue,Wed 06:35 Las Vegas Harry Reid (LAS) 1 17:35 Atlanta (ATL) N
WN 3831 2-stop Boeing 737-800 (73H) 8:00 Effective 2025-10-07 through 2025-10-29
Sat 09:00 New Orleans (MSY) 16:30 Phoenix Sky Harbor (PHX) 4
WN 3831 2-stop Boeing 737-700 (73W) 9:30 Effective 2025-08-09 through 2025-09-27
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 3831: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN3831
06:00
New Orleans (MSY)

08:35
Tampa (TPA)
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3831
06:05
San Francisco (SFO) 2

12:10
Midway, Chicago (MDW)
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:05, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3831
06:05
San Francisco (SFO) 2

12:10
Midway, Chicago (MDW)
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:05, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3831
06:35
Las Vegas Harry Reid (LAS) 1

07:50
Los Angeles (LAX) 1
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3831
07:05
Fort Myers (RSW)

08:50
Saint Louis (STL) 2
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3831
07:05
Fort Myers (RSW)

08:50
Saint Louis (STL) 2
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3831
07:25
San Francisco (SFO) 2

13:30
Midway, Chicago (MDW)
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3831
07:30
Fort Myers (RSW)

09:10
Saint Louis (STL) 2
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3831
07:30
Fort Myers (RSW)

09:10
Saint Louis (STL) 2
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:40, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3831
07:40
San Francisco (SFO) 2

13:45
Midway, Chicago (MDW)
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:05, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3831
07:55
Las Vegas Harry Reid (LAS) 1

09:15
Los Angeles (LAX) 1
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3831
08:00
New Orleans (MSY)

10:35
Tampa (TPA)
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3831
08:00
New Orleans (MSY)

10:35
Tampa (TPA)
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3831
08:10
San Francisco (SFO) 2

14:10
Midway, Chicago (MDW)
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3831
08:30
Las Vegas Harry Reid (LAS) 1

09:50
Los Angeles (LAX) 1
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3831
08:30
Los Angeles (LAX) 1

14:15
New Orleans (MSY)
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:45, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3831
08:35
New Orleans (MSY)

11:10
Tampa (TPA)
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3831
09:00
New Orleans (MSY)

11:35
Tampa (TPA)
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3831
09:10
San Francisco (SFO) 2

15:15
Midway, Chicago (MDW)
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:05, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3831
09:45
Hartford (BDL)

11:00
Baltimore (BWI)
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3831
09:50
Los Angeles (LAX) 1

11:10
San Jose (SJC) B
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3831
11:40
Baltimore (BWI)

12:50
Saint Louis (STL) 2
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3831
12:10
Tampa (TPA)

14:30
Pittsburgh (PIT)
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3831
15:05
Pittsburgh (PIT)

16:30
Phoenix Sky Harbor (PHX) 4
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:25, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3831
15:10
New Orleans (MSY)

17:35
Atlanta (ATL) N
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3831
20:10
Nashville (BNA)

22:40
Raleigh/Durham (RDU) 1
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN3831
06:35
Las Vegas Harry Reid (LAS) 1

14:15
New Orleans (MSY)
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:40, 1-stop
Boeing 737-800 (73H)
Southwest Airlines WN3831
07:55
Las Vegas Harry Reid (LAS) 1

11:10
San Jose (SJC) B
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:15, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3831
08:30
Los Angeles (LAX) 1

17:35
Atlanta (ATL) N
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:05, 1-stop
Boeing 737-800 (73H)
Southwest Airlines WN3831
09:00
New Orleans (MSY)

14:30
Pittsburgh (PIT)
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:30, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN3831
09:45
Hartford (BDL)

12:50
Saint Louis (STL) 2
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:05, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN3831
12:10
Tampa (TPA)

16:30
Phoenix Sky Harbor (PHX) 4
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 7:20, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN3831
06:35
Las Vegas Harry Reid (LAS) 1

17:35
Atlanta (ATL) N
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 8:00, 2-stop
Boeing 737-800 (73H)
Southwest Airlines WN3831
09:00
New Orleans (MSY)

16:30
Phoenix Sky Harbor (PHX) 4
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 9:30, 2-stop
Boeing 737-700 (73W)
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This flight number is listed as serving the following routes:
  • Baltimore (BWI) - Saint Louis (STL)
  • Fort Myers (RSW) - Saint Louis (STL)
  • Hartford (BDL) - Baltimore (BWI)
  • Hartford (BDL) - Saint Louis (STL)
  • Las Vegas Harry Reid (LAS) - Atlanta (ATL)
  • Las Vegas Harry Reid (LAS) - Los Angeles (LAX)
  • Las Vegas Harry Reid (LAS) - New Orleans (MSY)
  • Las Vegas Harry Reid (LAS) - San Jose (SJC)
  • Los Angeles (LAX) - Atlanta (ATL)
  • Los Angeles (LAX) - New Orleans (MSY)
  • Los Angeles (LAX) - San Jose (SJC)
  • Nashville (BNA) - Raleigh/Durham (RDU)
  • New Orleans (MSY) - Atlanta (ATL)
  • New Orleans (MSY) - Phoenix Sky Harbor (PHX)
  • New Orleans (MSY) - Pittsburgh (PIT)
  • New Orleans (MSY) - Tampa (TPA)
  • Pittsburgh (PIT) - Phoenix Sky Harbor (PHX)
  • San Francisco (SFO) - Midway, Chicago (MDW)
  • Tampa (TPA) - Phoenix Sky Harbor (PHX)
  • Tampa (TPA) - Pittsburgh (PIT)
All Southwest Airlines flights
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