Southwest Airlines flight WN 3931: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 07:10 Manchester (MHT) 08:40 Midway, Chicago (MDW)
WN 3931 Non-stop Boeing 737-700 (Scimitar Winglets) 2:30 Effective 2025-10-02 through 2025-10-31
Sat 12:45 Austin (AUS) 14:10 Tulsa (TUL)
WN 3931 Non-stop Boeing 737-800 (73H) 1:25 Valid until 2025-05-31
Mon,Thu,Fri 14:25 Phoenix Sky Harbor (PHX) 4 17:15 Denver (DEN)
WN 3931 Non-stop Boeing 737-700 (73W) 1:50 Effective 2025-06-05 through 2025-07-03
Tue,Wed 14:25 Phoenix Sky Harbor (PHX) 4 17:15 Denver (DEN)
WN 3931 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2025-06-10 through 2025-07-30
Mon,Thu,Fri 14:25 Phoenix Sky Harbor (PHX) 4 17:15 Denver (DEN)
WN 3931 Non-stop Boeing 737-700 (73W) 1:50 Effective 2025-07-07 through 2025-08-04
Sun 14:25 Nashville (BNA) 16:40 Austin (AUS)
WN 3931 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-08-10 through 2025-08-24
Sun 14:25 Nashville (BNA) 16:40 Austin (AUS)
WN 3931 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-09-07 through 2025-09-28
Sun 14:35 Nashville (BNA) 16:50 Austin (AUS)
WN 3931 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Operates only on 2025-08-31
Sat 14:50 Tulsa (TUL) 15:35 Denver (DEN)
WN 3931 Non-stop Boeing 737-800 (73H) 1:45 Valid until 2025-05-31
Tue,Wed 15:20 Austin (AUS) 16:45 Tulsa (TUL)
WN 3931 Non-stop Boeing 737-800 (73H) 1:25 Valid until 2025-06-04
Mon,Thu,Fri 16:00 Omaha (OMA) 16:35 Denver (DEN)
WN 3931 Non-stop Boeing 737-800 (73H) 1:35 Effective 2025-08-07 through 2025-09-29
Tue,Wed 17:25 Tulsa (TUL) 18:20 Las Vegas Harry Reid (LAS) 1
WN 3931 Non-stop Boeing 737-800 (73H) 2:55 Valid until 2025-06-04
Tue,Wed 17:45 Manchester (MHT) 19:20 Midway, Chicago (MDW)
WN 3931 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2025-10-07 through 2025-10-29
Mon,Thu,Fri 17:50 Austin (AUS) 19:15 Tulsa (TUL)
WN 3931 Non-stop Boeing 737-700 (73W) 1:25 Valid until 2025-06-02
Mon,Thu,Fri 19:55 Tulsa (TUL) 20:45 Denver (DEN)
WN 3931 Non-stop Boeing 737-700 (73W) 1:50 Valid until 2025-06-02
Fri 20:35 Honolulu (HNL) 2 05:25 Las Vegas Harry Reid (LAS) 1
WN 3931 Non-stop Boeing 737 MAX 8 (7M8) 5:50 Operates only on 2025-07-04
The flight arrives 1 day after departure.
Sun 20:40 Love Field, Dallas (DAL) 1 21:40 Las Vegas Harry Reid (LAS) 1
WN 3931 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Operates only on 2025-11-30
Mon,Thu,Fri,Sun 21:10 Santa Ana (SNA) 22:20 Las Vegas Harry Reid (LAS) 1
WN 3931 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 21:10 Santa Ana (SNA) 22:20 Las Vegas Harry Reid (LAS) 1
WN 3931 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2025-11-21 through 2025-11-28
Fri,Sun 21:10 Santa Ana (SNA) 22:20 Las Vegas Harry Reid (LAS) 1
WN 3931 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2025-12-07 through 2025-12-14
Thu 21:10 Santa Ana (SNA) 22:20 Las Vegas Harry Reid (LAS) 1
WN 3931 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Operates only on 2025-12-18
Mon 21:10 Santa Ana (SNA) 22:20 Las Vegas Harry Reid (LAS) 1
WN 3931 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Operates only on 2026-01-05
Non-Direct Flights:
Sat 12:45 Austin (AUS) 15:35 Denver (DEN)
WN 3931 1-stop Boeing 737-800 (73H) 3:50 Valid until 2025-05-31
Tue,Wed 15:20 Austin (AUS) 18:20 Las Vegas Harry Reid (LAS) 1
WN 3931 1-stop Boeing 737-800 (73H) 5:00 Valid until 2025-06-04
Mon,Thu,Fri 17:50 Austin (AUS) 20:45 Denver (DEN)
WN 3931 1-stop Boeing 737-700 (73W) 3:55 Valid until 2025-06-02
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 3931: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN3931
07:10
Manchester (MHT)

08:40
Midway, Chicago (MDW)
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3931
12:45
Austin (AUS)

14:10
Tulsa (TUL)
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:25, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3931
14:25
Phoenix Sky Harbor (PHX) 4

17:15
Denver (DEN)
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3931
14:25
Phoenix Sky Harbor (PHX) 4

17:15
Denver (DEN)
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3931
14:25
Phoenix Sky Harbor (PHX) 4

17:15
Denver (DEN)
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3931
14:25
Nashville (BNA)

16:40
Austin (AUS)
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3931
14:25
Nashville (BNA)

16:40
Austin (AUS)
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3931
14:35
Nashville (BNA)

16:50
Austin (AUS)
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3931
14:50
Tulsa (TUL)

15:35
Denver (DEN)
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:45, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3931
15:20
Austin (AUS)

16:45
Tulsa (TUL)
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3931
16:00
Omaha (OMA)

16:35
Denver (DEN)
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3931
17:25
Tulsa (TUL)

18:20
Las Vegas Harry Reid (LAS) 1
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:55, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3931
17:45
Manchester (MHT)

19:20
Midway, Chicago (MDW)
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3931
17:50
Austin (AUS)

19:15
Tulsa (TUL)
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3931
19:55
Tulsa (TUL)

20:45
Denver (DEN)
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3931
20:35
Honolulu (HNL) 2

05:25(+1)
Las Vegas Harry Reid (LAS) 1
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 5:50, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Southwest Airlines WN3931
20:40
Love Field, Dallas (DAL) 1

21:40
Las Vegas Harry Reid (LAS) 1
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3931
21:10
Santa Ana (SNA)

22:20
Las Vegas Harry Reid (LAS) 1
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3931
21:10
Santa Ana (SNA)

22:20
Las Vegas Harry Reid (LAS) 1
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3931
21:10
Santa Ana (SNA)

22:20
Las Vegas Harry Reid (LAS) 1
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3931
21:10
Santa Ana (SNA)

22:20
Las Vegas Harry Reid (LAS) 1
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3931
21:10
Santa Ana (SNA)

22:20
Las Vegas Harry Reid (LAS) 1
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN3931
12:45
Austin (AUS)

15:35
Denver (DEN)
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:50, 1-stop
Boeing 737-800 (73H)
Southwest Airlines WN3931
15:20
Austin (AUS)

18:20
Las Vegas Harry Reid (LAS) 1
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:00, 1-stop
Boeing 737-800 (73H)
Southwest Airlines WN3931
17:50
Austin (AUS)

20:45
Denver (DEN)
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:55, 1-stop
Boeing 737-700 (73W)
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This flight number is listed as serving the following routes:
  • Austin (AUS) - Denver (DEN)
  • Austin (AUS) - Las Vegas Harry Reid (LAS)
  • Austin (AUS) - Tulsa (TUL)
  • Honolulu (HNL) - Las Vegas Harry Reid (LAS)
  • Love Field, Dallas (DAL) - Las Vegas Harry Reid (LAS)
  • Manchester (MHT) - Midway, Chicago (MDW)
  • Nashville (BNA) - Austin (AUS)
  • Omaha (OMA) - Denver (DEN)
  • Phoenix Sky Harbor (PHX) - Denver (DEN)
  • Santa Ana (SNA) - Las Vegas Harry Reid (LAS)
  • Tulsa (TUL) - Denver (DEN)
  • Tulsa (TUL) - Las Vegas Harry Reid (LAS)
All Southwest Airlines flights
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