Southwest Airlines flight WN 3996: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 06:20 Ontario, Los Angeles (ONT) 4 07:35 San Jose (SJC) B
WN 3996 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Valid until 2026-01-03
Mon,Thu,Fri 06:20 San Diego (SAN) 1 11:10 Austin (AUS)
WN 3996 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-04-09 through 2026-06-01
Mon 06:25 Ontario, Los Angeles (ONT) 4 07:40 San Jose (SJC) B
WN 3996 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Operates only on 2026-01-05
Fri,Sun 06:30 Ontario, Los Angeles (ONT) 4 07:45 San Jose (SJC) B
WN 3996 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-01-02 through 2026-01-04
Sun 06:40 San Diego (SAN) 1 11:30 Austin (AUS)
WN 3996 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Operates only on 2026-05-24
Sun 06:55 San Diego (SAN) 1 11:40 Austin (AUS)
WN 3996 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-04-12 through 2026-05-17
Sun 06:55 San Diego (SAN) 1 11:40 Austin (AUS)
WN 3996 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Operates only on 2026-05-31
Sat 07:05 San Diego (SAN) 1 11:50 Austin (AUS)
WN 3996 Non-stop Boeing 737-700 (Scimitar Winglets) 2:45 Effective 2026-04-11 through 2026-05-30
Tue,Wed 07:50 San Diego (SAN) 1 12:35 Austin (AUS)
WN 3996 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-04-07 through 2026-06-03
Sat 07:50 Phoenix Sky Harbor (PHX) 4 14:15 Louisville (SDF)
WN 3996 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Effective 2026-06-06 through 2026-08-01
Tue,Wed 11:05 Baltimore (BWI) 12:20 Buffalo (BUF)
WN 3996 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-08-04 through 2026-09-30
Sun 11:10 Baltimore (BWI) 12:25 Buffalo (BUF)
WN 3996 Non-stop Boeing 737-800 (73H) 1:15 Effective 2026-08-09 through 2026-09-27
Mon,Thu,Fri 11:50 Austin (AUS) 16:00 Ronald Reagan Washington (DCA) 1
WN 3996 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2026-04-09 through 2026-06-01
Tue,Wed 13:15 Austin (AUS) 17:30 Ronald Reagan Washington (DCA) 1
WN 3996 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Effective 2026-04-07 through 2026-06-03
Sat 13:15 Louisville (SDF) 15:20 Orlando (MCO)
WN 3996 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-08-08 through 2026-09-26
Mon,Thu,Fri 14:45 Savannah (SAV) 16:35 Dallas Love Field (DAL) 1
WN 3996 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 14:45 Savannah (SAV) 16:35 Dallas Love Field (DAL) 1
WN 3996 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2026-02-20 through 2026-03-01
Wed,Thu 15:15 Ontario, Los Angeles (ONT) 4 16:30 San Jose (SJC) B
WN 3996 Non-stop Boeing 737-700 (73W) 1:15 Valid until 2026-01-01
Mon,Thu,Fri 16:05 Chicago Midway (MDW) 18:35 San Diego (SAN) 1
WN 3996 Non-stop Boeing 737 MAX 8 (7M8) 4:30 Effective 2026-03-05 through 2026-04-06
Tue,Wed 17:10 Chicago Midway (MDW) 19:40 San Diego (SAN) 1
WN 3996 Non-stop Boeing 737 MAX 8 (7M8) 4:30 Effective 2026-03-10 through 2026-04-01
Mon,Thu,Fri 17:15 Dallas Love Field (DAL) 1 19:15 Oakland (OAK) 2
WN 3996 Non-stop Boeing 737-700 (Scimitar Winglets) 4:00 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 17:15 Dallas Love Field (DAL) 1 19:15 Oakland (OAK) 2
WN 3996 Non-stop Boeing 737-700 (Scimitar Winglets) 4:00 Effective 2026-02-20 through 2026-03-01
Mon,Thu,Fri 17:15 Baltimore (BWI) 18:25 Buffalo (BUF)
WN 3996 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-08-06 through 2026-09-28
Sun 18:25 Chicago Midway (MDW) 20:55 San Diego (SAN) 1
WN 3996 Non-stop Boeing 737 MAX 8 (7M8) 4:30 Effective 2026-03-08 through 2026-04-05
Non-Direct Flights:
Mon,Thu,Fri 06:20 San Diego (SAN) 1 16:00 Ronald Reagan Washington (DCA) 1
WN 3996 1-stop Boeing 737 MAX 8 (7M8) 6:40 Effective 2026-04-09 through 2026-06-01
Tue,Wed 07:50 San Diego (SAN) 1 17:30 Ronald Reagan Washington (DCA) 1
WN 3996 1-stop Boeing 737 MAX 8 (7M8) 6:40 Effective 2026-04-07 through 2026-06-03
Mon,Thu,Fri 14:45 Savannah (SAV) 19:15 Oakland (OAK) 2
WN 3996 1-stop Boeing 737-700 (Scimitar Winglets) 7:30 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 14:45 Savannah (SAV) 19:15 Oakland (OAK) 2
WN 3996 1-stop Boeing 737-700 (Scimitar Winglets) 7:30 Effective 2026-02-20 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 3996: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN3996
06:20
Ontario, Los Angeles (ONT) 4

07:35
San Jose (SJC) B
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 WN3996
06:20
San Diego (SAN) 1

11:10
Austin (AUS)
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3996
06:25
Ontario, Los Angeles (ONT) 4

07:40
San Jose (SJC) B
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3996
06:30
Ontario, Los Angeles (ONT) 4

07:45
San Jose (SJC) B
Effective 2026-01-02 through 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3996
06:40
San Diego (SAN) 1

11:30
Austin (AUS)
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3996
06:55
San Diego (SAN) 1

11:40
Austin (AUS)
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3996
06:55
San Diego (SAN) 1

11:40
Austin (AUS)
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3996
07:05
San Diego (SAN) 1

11:50
Austin (AUS)
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3996
07:50
San Diego (SAN) 1

12:35
Austin (AUS)
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3996
07:50
Phoenix Sky Harbor (PHX) 4

14:15
Louisville (SDF)
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3996
11:05
Baltimore (BWI)

12:20
Buffalo (BUF)
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3996
11:10
Baltimore (BWI)

12:25
Buffalo (BUF)
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3996
11:50
Austin (AUS)

16:00
Ronald Reagan Washington (DCA) 1
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3996
13:15
Austin (AUS)

17:30
Ronald Reagan Washington (DCA) 1
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3996
13:15
Louisville (SDF)

15:20
Orlando (MCO)
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3996
14:45
Savannah (SAV)

16:35
Dallas Love Field (DAL) 1
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3996
14:45
Savannah (SAV)

16:35
Dallas Love Field (DAL) 1
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3996
15:15
Ontario, Los Angeles (ONT) 4

16:30
San Jose (SJC) B
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (73W)
Direct Flights:
Southwest Airlines WN3996
16:05
Chicago Midway (MDW)

18:35
San Diego (SAN) 1
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3996
17:10
Chicago Midway (MDW)

19:40
San Diego (SAN) 1
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3996
17:15
Dallas Love Field (DAL) 1

19:15
Oakland (OAK) 2
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3996
17:15
Dallas Love Field (DAL) 1

19:15
Oakland (OAK) 2
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3996
17:15
Baltimore (BWI)

18:25
Buffalo (BUF)
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3996
18:25
Chicago Midway (MDW)

20:55
San Diego (SAN) 1
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:30, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN3996
06:20
San Diego (SAN) 1

16:00
Ronald Reagan Washington (DCA) 1
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 6:40, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN3996
07:50
San Diego (SAN) 1

17:30
Ronald Reagan Washington (DCA) 1
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:40, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN3996
14:45
Savannah (SAV)

19:15
Oakland (OAK) 2
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 7:30, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN3996
14:45
Savannah (SAV)

19:15
Oakland (OAK) 2
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 7:30, 1-stop
Boeing 737-700 (Scimitar Winglets)
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This flight number is listed as serving the following routes:
  • Austin (AUS) - Ronald Reagan Washington (DCA)
  • Baltimore (BWI) - Buffalo (BUF)
  • Chicago Midway (MDW) - San Diego (SAN)
  • Dallas Love Field (DAL) - Oakland (OAK)
  • Louisville (SDF) - Orlando (MCO)
  • Ontario, Los Angeles (ONT) - San Jose (SJC)
  • Phoenix Sky Harbor (PHX) - Louisville (SDF)
  • San Diego (SAN) - Austin (AUS)
  • San Diego (SAN) - Ronald Reagan Washington (DCA)
  • Savannah (SAV) - Dallas Love Field (DAL)
  • Savannah (SAV) - Oakland (OAK)
All Southwest Airlines flights
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