Southwest Airlines flight WN 4631: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon-Fri 06:00 Dallas Love Field (DAL) 1 07:30 Kansas City (MCI)
WN 4631 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-06-04 through 2026-08-03
Sun 06:20 Dallas Love Field (DAL) 1 07:50 Kansas City (MCI)
WN 4631 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-06-07 through 2026-08-02
Thu 06:25 Dallas Love Field (DAL) 1 07:30 Austin (AUS)
WN 4631 Non-stop Boeing 737 MAX 8 (7M8) 1:05 Operates only on 2026-02-12
Mon,Fri 06:30 Dallas Love Field (DAL) 1 07:35 Austin (AUS)
WN 4631 Non-stop Boeing 737-700 (Scimitar Winglets) 1:05 Effective 2026-02-13 through 2026-02-20
Thu,Fri,Sun 06:30 Dallas Love Field (DAL) 1 07:35 Austin (AUS)
WN 4631 Non-stop Boeing 737-700 (Scimitar Winglets) 1:05 Effective 2026-02-22 through 2026-03-01
Mon,Thu,Fri,Sun 06:55 Chicago Midway (MDW) 08:45 Phoenix Sky Harbor (PHX) 4
WN 4631 Non-stop Boeing 737-800 (73H) 3:50 Effective 2026-04-09 through 2026-05-22
Mon,Thu,Fri,Sun 06:55 Chicago Midway (MDW) 08:45 Phoenix Sky Harbor (PHX) 4
WN 4631 Non-stop Boeing 737-800 (73H) 3:50 Effective 2026-05-25 through 2026-06-01
Mon,Tue,Fri,Sun 07:10 Dallas Love Field (DAL) 1 08:55 Phoenix Sky Harbor (PHX) 4
WN 4631 Non-stop Boeing 737-800 (73H) 2:45 Valid until 2026-01-04
Thu 08:10 Austin (AUS) 09:10 Houston Hobby (HOU)
WN 4631 Non-stop Boeing 737 MAX 8 (7M8) 1:00 Operates only on 2026-02-12
Mon,Fri 08:10 Austin (AUS) 09:10 Houston Hobby (HOU)
WN 4631 Non-stop Boeing 737-700 (Scimitar Winglets) 1:00 Effective 2026-02-13 through 2026-02-20
Thu,Fri,Sun 08:10 Austin (AUS) 09:10 Houston Hobby (HOU)
WN 4631 Non-stop Boeing 737-700 (Scimitar Winglets) 1:00 Effective 2026-02-22 through 2026-03-01
Sat 08:30 Austin (AUS) 09:30 Houston Hobby (HOU)
WN 4631 Non-stop Boeing 737-700 (Scimitar Winglets) 1:00 Effective 2026-02-14 through 2026-02-28
Sat 08:30 John Glenn Columbus (CMH) 10:50 Sarasota/Bradenton (SRQ)
WN 4631 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2026-08-08 through 2026-09-26
Mon 09:25 Phoenix Sky Harbor (PHX) 4 10:35 Sacramento (SMF) B
WN 4631 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Operates only on 2026-01-05
Sat 09:30 Ontario, Los Angeles (ONT) 4 11:45 Phoenix Sky Harbor (PHX) 4
WN 4631 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Valid until 2026-01-03
Sun 11:00 Chicago Midway (MDW) 13:30 Austin (AUS)
WN 4631 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2026-08-09 through 2026-09-27
Tue,Wed 13:40 Chicago Midway (MDW) 16:10 Austin (AUS)
WN 4631 Non-stop Boeing 737-700 (Scimitar Winglets) 2:30 Effective 2026-08-04 through 2026-09-30
Mon,Thu,Fri 17:25 San Francisco (SFO) 2 19:00 San Diego (SAN) 1
WN 4631 Non-stop Boeing 737-800 (73H) 1:35 Effective 2026-03-05 through 2026-04-06
Non-Direct Flights:
Thu 06:25 Dallas Love Field (DAL) 1 09:10 Houston Hobby (HOU)
WN 4631 1-stop Boeing 737 MAX 8 (7M8) 2:45 Operates only on 2026-02-12
Mon,Fri 06:30 Dallas Love Field (DAL) 1 09:10 Houston Hobby (HOU)
WN 4631 1-stop Boeing 737-700 (Scimitar Winglets) 2:40 Effective 2026-02-13 through 2026-02-20
Thu,Fri,Sun 06:30 Dallas Love Field (DAL) 1 09:10 Houston Hobby (HOU)
WN 4631 1-stop Boeing 737-700 (Scimitar Winglets) 2:40 Effective 2026-02-22 through 2026-03-01
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4631: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4631
06:00
Dallas Love Field (DAL) 1

07:30
Kansas City (MCI)
Effective 2026-06-04 through 2026-08-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4631
06:20
Dallas Love Field (DAL) 1

07:50
Kansas City (MCI)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4631
06:25
Dallas Love Field (DAL) 1

07:30
Austin (AUS)
Operates only on 2026-02-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:05, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4631
06:30
Dallas Love Field (DAL) 1

07:35
Austin (AUS)
Effective 2026-02-13 through 2026-02-20
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4631
06:30
Dallas Love Field (DAL) 1

07:35
Austin (AUS)
Effective 2026-02-22 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4631
06:55
Chicago Midway (MDW)

08:45
Phoenix Sky Harbor (PHX) 4
Effective 2026-04-09 through 2026-05-22
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:50, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4631
06:55
Chicago Midway (MDW)

08:45
Phoenix Sky Harbor (PHX) 4
Effective 2026-05-25 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:50, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4631
07:10
Dallas Love Field (DAL) 1

08:55
Phoenix Sky Harbor (PHX) 4
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4631
08:10
Austin (AUS)

09:10
Houston Hobby (HOU)
Operates only on 2026-02-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4631
08:10
Austin (AUS)

09:10
Houston Hobby (HOU)
Effective 2026-02-13 through 2026-02-20
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4631
08:10
Austin (AUS)

09:10
Houston Hobby (HOU)
Effective 2026-02-22 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4631
08:30
Austin (AUS)

09:30
Houston Hobby (HOU)
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4631
08:30
John Glenn Columbus (CMH)

10:50
Sarasota/Bradenton (SRQ)
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4631
09:25
Phoenix Sky Harbor (PHX) 4

10:35
Sacramento (SMF) B
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4631
09:30
Ontario, Los Angeles (ONT) 4

11:45
Phoenix Sky Harbor (PHX) 4
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4631
11:00
Chicago Midway (MDW)

13:30
Austin (AUS)
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4631
13:40
Chicago Midway (MDW)

16:10
Austin (AUS)
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4631
17:25
San Francisco (SFO) 2

19:00
San Diego (SAN) 1
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN4631
06:25
Dallas Love Field (DAL) 1

09:10
Houston Hobby (HOU)
Operates only on 2026-02-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:45, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN4631
06:30
Dallas Love Field (DAL) 1

09:10
Houston Hobby (HOU)
Effective 2026-02-13 through 2026-02-20
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:40, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4631
06:30
Dallas Love Field (DAL) 1

09:10
Houston Hobby (HOU)
Effective 2026-02-22 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:40, 1-stop
Boeing 737-700 (Scimitar Winglets)
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Parallax here
This flight number is listed as serving the following routes:
  • Austin (AUS) - Houston Hobby (HOU)
  • Chicago Midway (MDW) - Austin (AUS)
  • Chicago Midway (MDW) - Phoenix Sky Harbor (PHX)
  • Dallas Love Field (DAL) - Austin (AUS)
  • Dallas Love Field (DAL) - Houston Hobby (HOU)
  • Dallas Love Field (DAL) - Kansas City (MCI)
  • Dallas Love Field (DAL) - Phoenix Sky Harbor (PHX)
  • John Glenn Columbus (CMH) - Sarasota/Bradenton (SRQ)
  • Ontario, Los Angeles (ONT) - Phoenix Sky Harbor (PHX)
  • Phoenix Sky Harbor (PHX) - Sacramento (SMF)
  • San Francisco (SFO) - San Diego (SAN)
All Southwest Airlines flights
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