Southwest Airlines flight WN 3631: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 06:55 Sacramento (SMF) B 08:50 Spokane (GEG)
WN 3631 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 06:55 Sacramento (SMF) B 08:50 Spokane (GEG)
WN 3631 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2026-02-20 through 2026-03-01
Sun 07:50 Chicago Midway (MDW) 10:55 Savannah (SAV)
WN 3631 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-04-12 through 2026-05-17
Sun 07:50 Chicago Midway (MDW) 10:55 Savannah (SAV)
WN 3631 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Operates only on 2026-05-31
Mon,Thu,Fri 07:50 Long Beach (LGB) 09:10 Reno (RNO)
WN 3631 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-08-06 through 2026-09-28
Sat 07:55 Chicago Midway (MDW) 11:00 Savannah (SAV)
WN 3631 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-04-11 through 2026-05-30
Sun 08:35 Las Vegas Harry Reid (LAS) 1 15:05 Indianapolis (IND)
WN 3631 Non-stop Boeing 737 MAX 8 (7M8) 3:30 Effective 2026-03-08 through 2026-04-05
Mon,Thu,Fri 12:45 Chicago Midway (MDW) 15:50 Savannah (SAV)
WN 3631 Non-stop Boeing 737-800 (73H) 2:05 Effective 2026-04-09 through 2026-06-01
Sun 12:45 San Jose (SJC) B 15:35 Salt Lake City (SLC)
WN 3631 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2026-08-09 through 2026-09-27
Tue,Wed 12:55 Chicago Midway (MDW) 16:00 Savannah (SAV)
WN 3631 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2026-04-07 through 2026-06-03
Sat 15:50 Manchester (MHT) 19:10 Orlando (MCO)
WN 3631 Non-stop Boeing 737-800 (73H) 3:20 Valid until 2026-01-03
Mon,Tue,Fri 16:55 Manchester (MHT) 20:15 Orlando (MCO)
WN 3631 Non-stop Boeing 737 MAX 8 (7M8) 3:20 Valid until 2026-01-02
Sun 17:05 Manchester (MHT) 20:25 Orlando (MCO)
WN 3631 Non-stop Boeing 737 MAX 8 (7M8) 3:20 Valid until 2026-01-04
Sun 20:10 Destin/Fort Walton Beach (VPS) 21:55 Houston Hobby (HOU)
WN 3631 Non-stop Boeing 737-800 (73H) 1:45 Effective 2026-06-07 through 2026-08-02
Thu,Fri 20:20 Las Vegas Harry Reid (LAS) 1 22:35 Phoenix Sky Harbor (PHX) 4
WN 3631 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-03-05 through 2026-03-06
Mon,Thu,Fri 20:20 Las Vegas Harry Reid (LAS) 1 21:35 Phoenix Sky Harbor (PHX) 4
WN 3631 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-03-09 through 2026-04-06
Sat 20:50 Las Vegas Harry Reid (LAS) 1 23:05 Phoenix Sky Harbor (PHX) 4
WN 3631 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Operates only on 2026-03-07
Sat 20:50 Las Vegas Harry Reid (LAS) 1 22:05 Phoenix Sky Harbor (PHX) 4
WN 3631 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2026-03-14 through 2026-04-04
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 3631: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN3631
06:55
Sacramento (SMF) B

08:50
Spokane (GEG)
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3631
06:55
Sacramento (SMF) B

08:50
Spokane (GEG)
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3631
07:50
Chicago Midway (MDW)

10:55
Savannah (SAV)
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3631
07:50
Chicago Midway (MDW)

10:55
Savannah (SAV)
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3631
07:50
Long Beach (LGB)

09:10
Reno (RNO)
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3631
07:55
Chicago Midway (MDW)

11:00
Savannah (SAV)
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3631
08:35
Las Vegas Harry Reid (LAS) 1

15:05
Indianapolis (IND)
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3631
12:45
Chicago Midway (MDW)

15:50
Savannah (SAV)
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3631
12:45
San Jose (SJC) B

15:35
Salt Lake City (SLC)
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3631
12:55
Chicago Midway (MDW)

16:00
Savannah (SAV)
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3631
15:50
Manchester (MHT)

19:10
Orlando (MCO)
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:20, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3631
16:55
Manchester (MHT)

20:15
Orlando (MCO)
Valid until 2026-01-02
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3631
17:05
Manchester (MHT)

20:25
Orlando (MCO)
Valid until 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3631
20:10
Destin/Fort Walton Beach (VPS)

21:55
Houston Hobby (HOU)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3631
20:20
Las Vegas Harry Reid (LAS) 1

22:35
Phoenix Sky Harbor (PHX) 4
Effective 2026-03-05 through 2026-03-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3631
20:20
Las Vegas Harry Reid (LAS) 1

21:35
Phoenix Sky Harbor (PHX) 4
Effective 2026-03-09 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3631
20:50
Las Vegas Harry Reid (LAS) 1

23:05
Phoenix Sky Harbor (PHX) 4
Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3631
20:50
Las Vegas Harry Reid (LAS) 1

22:05
Phoenix Sky Harbor (PHX) 4
Effective 2026-03-14 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
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This flight number is listed as serving the following routes:
  • Chicago Midway (MDW) - Savannah (SAV)
  • Destin/Fort Walton Beach (VPS) - Houston Hobby (HOU)
  • Las Vegas Harry Reid (LAS) - Indianapolis (IND)
  • Las Vegas Harry Reid (LAS) - Phoenix Sky Harbor (PHX)
  • Long Beach (LGB) - Reno (RNO)
  • Manchester (MHT) - Orlando (MCO)
  • Sacramento (SMF) - Spokane (GEG)
  • San Jose (SJC) - Salt Lake City (SLC)
All Southwest Airlines flights
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