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 Effective 2025-11-22 through 2025-11-29
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 Effective 2025-12-20 through 2026-01-03
Mon,Thu,Fri,Sun 06:25 Ontario, Los Angeles (ONT) 4 07:40 San Jose (SJC) B
WN 3996 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 06:25 Ontario, Los Angeles (ONT) 4 07:40 San Jose (SJC) B
WN 3996 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-11-21 through 2025-11-28
Fri,Sun 06:25 Ontario, Los Angeles (ONT) 4 07:40 San Jose (SJC) B
WN 3996 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-12-07 through 2025-12-14
Thu 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 2025-12-18
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
Mon-Wed 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 2025-11-25 through 2025-12-01
Mon,Tue,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 2025-12-19 through 2026-01-04
Sat 07:20 Ontario, Los Angeles (ONT) 4 08:35 San Jose (SJC) B
WN 3996 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-11-08 through 2025-11-15
Sat 07:20 Ontario, Los Angeles (ONT) 4 08:35 San Jose (SJC) B
WN 3996 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-12-06 through 2025-12-13
Sun 07:25 Ontario, Los Angeles (ONT) 4 08:40 San Jose (SJC) B
WN 3996 Non-stop Boeing 737-800 (73H) 1:15 Operates only on 2025-11-30
Sun 08:35 Houston Hobby (HOU) 10:10 Lubbock (LBB)
WN 3996 Non-stop Boeing 737-700 (73W) 1:35 Valid until 2025-05-18
Sun 08:35 Houston Hobby (HOU) 10:10 Lubbock (LBB)
WN 3996 Non-stop Boeing 737-700 (73W) 1:35 Operates only on 2025-06-01
Sat 13:05 Houston Hobby (HOU) 14:40 Lubbock (LBB)
WN 3996 Non-stop Boeing 737-700 (73W) 1:35 Valid until 2025-05-31
Sun 14:20 Cleveland Hopkins (CLE) 14:55 Saint Louis (STL) 2
WN 3996 Non-stop Boeing 737-800 (73H) 1:35 Operates only on 2025-05-25
Sun 15:00 Baltimore (BWI) 17:35 Portland (PDX)
WN 3996 Non-stop Boeing 737-800 (73H) 5:35 Operates only on 2025-08-31
Tue,Wed 15:15 Ontario, Los Angeles (ONT) 4 16:30 San Jose (SJC) B
WN 3996 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-11-04 through 2025-11-12
Mon-Thu 15:15 Ontario, Los Angeles (ONT) 4 16:30 San Jose (SJC) B
WN 3996 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-11-17 through 2025-11-20
Mon-Fri 15:15 Ontario, Los Angeles (ONT) 4 16:30 San Jose (SJC) B
WN 3996 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-12-02 through 2025-12-11
Mon-Wed 15:15 Ontario, Los Angeles (ONT) 4 16:30 San Jose (SJC) B
WN 3996 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-12-15 through 2025-12-17
Wed,Thu 15:15 Ontario, Los Angeles (ONT) 4 16:30 San Jose (SJC) B
WN 3996 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-12-24 through 2026-01-01
Sat 15:25 Lubbock (LBB) 15:40 Las Vegas Harry Reid (LAS) 1
WN 3996 Non-stop Boeing 737-700 (73W) 2:15 Valid until 2025-05-31
Sun 17:05 Baltimore (BWI) 19:40 Portland (PDX)
WN 3996 Non-stop Boeing 737-800 (73H) 5:35 Effective 2025-08-10 through 2025-08-24
Sun 17:05 Baltimore (BWI) 19:40 Portland (PDX)
WN 3996 Non-stop Boeing 737-800 (73H) 5:35 Effective 2025-09-07 through 2025-09-28
Tue,Wed 17:50 Portland (PDX) 19:35 San Jose (SJC) B
WN 3996 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2025-08-05 through 2025-10-01
Sun 18:20 Portland (PDX) 20:05 San Jose (SJC) B
WN 3996 Non-stop Boeing 737-800 (73H) 1:45 Operates only on 2025-08-31
Mon,Thu,Fri 19:45 Portland (PDX) 21:30 San Jose (SJC) B
WN 3996 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2025-08-07 through 2025-09-29
Sun 20:25 Portland (PDX) 22:10 San Jose (SJC) B
WN 3996 Non-stop Boeing 737-800 (73H) 1:45 Effective 2025-08-10 through 2025-08-24
Sun 20:25 Portland (PDX) 22:10 San Jose (SJC) B
WN 3996 Non-stop Boeing 737-800 (73H) 1:45 Effective 2025-09-07 through 2025-09-28
Non-Direct Flights:
Sat 13:05 Houston Hobby (HOU) 15:40 Las Vegas Harry Reid (LAS) 1
WN 3996 1-stop Boeing 737-700 (73W) 4:35 Valid until 2025-05-31
Sun 15:00 Baltimore (BWI) 20:05 San Jose (SJC) B
WN 3996 1-stop Boeing 737-800 (73H) 8:05 Operates only on 2025-08-31
Sun 17:05 Baltimore (BWI) 22:10 San Jose (SJC) B
WN 3996 1-stop Boeing 737-800 (73H) 8:05 Effective 2025-08-10 through 2025-08-24
Sun 17:05 Baltimore (BWI) 22:10 San Jose (SJC) B
WN 3996 1-stop Boeing 737-800 (73H) 8:05 Effective 2025-09-07 through 2025-09-28
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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
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3996
06:20
Ontario, Los Angeles (ONT) 4

07:35
San Jose (SJC) B
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3996
06:25
Ontario, Los Angeles (ONT) 4

07:40
San Jose (SJC) B
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3996
06:25
Ontario, Los Angeles (ONT) 4

07:40
San Jose (SJC) B
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3996
06:25
Ontario, Los Angeles (ONT) 4

07:40
San Jose (SJC) B
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3996
06:25
Ontario, Los Angeles (ONT) 4

07:40
San Jose (SJC) B
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
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)
Southwest Airlines WN3996
06:30
Ontario, Los Angeles (ONT) 4

07:45
San Jose (SJC) B
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3996
06:30
Ontario, Los Angeles (ONT) 4

07:45
San Jose (SJC) B
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3996
07:20
Ontario, Los Angeles (ONT) 4

08:35
San Jose (SJC) B
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3996
07:20
Ontario, Los Angeles (ONT) 4

08:35
San Jose (SJC) B
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3996
07:25
Ontario, Los Angeles (ONT) 4

08:40
San Jose (SJC) B
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3996
08:35
Houston Hobby (HOU)

10:10
Lubbock (LBB)
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3996
08:35
Houston Hobby (HOU)

10:10
Lubbock (LBB)
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3996
13:05
Houston Hobby (HOU)

14:40
Lubbock (LBB)
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3996
14:20
Cleveland Hopkins (CLE)

14:55
Saint Louis (STL) 2
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3996
15:00
Baltimore (BWI)

17:35
Portland (PDX)
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:35, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3996
15:15
Ontario, Los Angeles (ONT) 4

16:30
San Jose (SJC) B
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3996
15:15
Ontario, Los Angeles (ONT) 4

16:30
San Jose (SJC) B
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3996
15:15
Ontario, Los Angeles (ONT) 4

16:30
San Jose (SJC) B
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3996
15:15
Ontario, Los Angeles (ONT) 4

16:30
San Jose (SJC) B
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3996
15:15
Ontario, Los Angeles (ONT) 4

16:30
San Jose (SJC) B
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3996
15:25
Lubbock (LBB)

15:40
Las Vegas Harry Reid (LAS) 1
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:15, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3996
17:05
Baltimore (BWI)

19:40
Portland (PDX)
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:35, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3996
17:05
Baltimore (BWI)

19:40
Portland (PDX)
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:35, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3996
17:50
Portland (PDX)

19:35
San Jose (SJC) B
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3996
18:20
Portland (PDX)

20:05
San Jose (SJC) B
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3996
19:45
Portland (PDX)

21:30
San Jose (SJC) B
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3996
20:25
Portland (PDX)

22:10
San Jose (SJC) B
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3996
20:25
Portland (PDX)

22:10
San Jose (SJC) B
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN3996
13:05
Houston Hobby (HOU)

15:40
Las Vegas Harry Reid (LAS) 1
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:35, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN3996
15:00
Baltimore (BWI)

20:05
San Jose (SJC) B
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 8:05, 1-stop
Boeing 737-800 (73H)
Southwest Airlines WN3996
17:05
Baltimore (BWI)

22:10
San Jose (SJC) B
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 8:05, 1-stop
Boeing 737-800 (73H)
Southwest Airlines WN3996
17:05
Baltimore (BWI)

22:10
San Jose (SJC) B
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 8:05, 1-stop
Boeing 737-800 (73H)
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This flight number is listed as serving the following routes:
  • Baltimore (BWI) - Portland (PDX)
  • Baltimore (BWI) - San Jose (SJC)
  • Cleveland Hopkins (CLE) - Saint Louis (STL)
  • Houston Hobby (HOU) - Las Vegas Harry Reid (LAS)
  • Houston Hobby (HOU) - Lubbock (LBB)
  • Lubbock (LBB) - Las Vegas Harry Reid (LAS)
  • Ontario, Los Angeles (ONT) - San Jose (SJC)
  • Portland (PDX) - San Jose (SJC)
All Southwest Airlines flights
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