Southwest Airlines
flight
WN 851:
Multiple routes
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN851
Valid until 2026-01-05
Mon
Tue
Wed
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Thu
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Fri
Sat
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-
Sun
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN851
Valid until 2026-01-03
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN851
Valid until 2026-01-01
Mon
-
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Tue
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Wed
Thu
Fri
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-
Sat
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-
Sun
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Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN851
Effective 2026-08-06 through 2026-09-28
Mon
Tue
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-
Wed
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-
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN851
Effective 2026-08-09 through 2026-09-27
Mon
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Tue
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Wed
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Thu
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Fri
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-
Sat
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-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN851
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN851
Effective 2026-01-18 through 2026-01-23
Mon
-
-
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN851
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN851
Effective 2026-02-08 through 2026-02-11
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN851
Effective 2026-02-18 through 2026-03-04
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN851
Effective 2026-06-07 through 2026-08-02
Mon
-
-
Tue
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-
Wed
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-
Thu
-
-
Fri
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-
Sat
-
-
Sun
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN851
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN851
Effective 2026-06-06 through 2026-08-01
Mon
-
-
Tue
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-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN851
Effective 2026-04-07 through 2026-06-03
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN851
Effective 2026-02-14 through 2026-02-28
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN851
Effective 2026-03-10 through 2026-04-01
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN851
Effective 2026-06-09 through 2026-07-29
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN851
Effective 2026-08-08 through 2026-09-26
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN851
Effective 2026-01-11 through 2026-01-16
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN851
Effective 2026-02-01 through 2026-02-06
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN851
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN851
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN851
Operates only on 2026-03-02
Mon
Tue
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-
Wed
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-
Thu
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Fri
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-
Sat
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-
Sun
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-
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN851
Effective 2026-01-19 through 2026-01-25
Mon
Tue
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-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN851
Effective 2026-03-08 through 2026-04-05
Mon
-
-
Tue
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-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN851
Effective 2026-06-06 through 2026-08-01
Mon
-
-
Tue
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-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN851
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN851
Effective 2026-02-20 through 2026-03-01
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN851
Effective 2026-03-10 through 2026-04-01
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 3:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN851
Effective 2026-04-11 through 2026-05-30
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 2:50, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN851
Effective 2026-01-10 through 2026-02-07
Mon
-
-
Tue
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-
Wed
-
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Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN851
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN851
Effective 2026-03-07 through 2026-04-04
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 3:00, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN851
Effective 2026-04-12 through 2026-05-17
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 4:25, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN851
Operates only on 2026-05-31
Mon
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-
Tue
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Wed
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Thu
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Fri
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Sat
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-
Sun
Duration: 4:25, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN851
Effective 2026-06-06 through 2026-08-01
Mon
-
-
Tue
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-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
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-
Duration: 0:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN851
Effective 2026-06-06 through 2026-08-01
Mon
-
-
Tue
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Wed
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Thu
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Fri
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-
Sat
Sun
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-
Duration: 4:15, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN851
Effective 2026-03-10 through 2026-04-01
Mon
-
-
Tue
Wed
Thu
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-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 5:45, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN851
Effective 2026-06-06 through 2026-08-01
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
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-
Duration: 3:50, 1-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN851
Effective 2026-06-06 through 2026-08-01
Mon
-
-
Tue
-
-
Wed
-
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Thu
-
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Fri
-
-
Sat
Sun
-
-
Duration: 5:45, 2-stop
Boeing 737-700 (Scimitar Winglets)
Boeing 737-700 (Scimitar Winglets)
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here
This flight number is listed as serving the following routes:
- Baltimore (BWI) - Boston Logan (BOS)
- Burbank (BUR) - Colorado Springs (COS)
- Burbank (BUR) - Denver (DEN)
- Burbank (BUR) - Sacramento (SMF)
- Dallas Love Field (DAL) - Denver (DEN)
- Denver (DEN) - Colorado Springs (COS)
- Houston Hobby (HOU) - Chicago Midway (MDW)
- Jackson (JAN) - Nashville (BNA)
- John Glenn Columbus (CMH) - Las Vegas Harry Reid (LAS)
- Nashville (BNA) - Charlotte (CLT)
- Nashville (BNA) - Denver (DEN)
- Nashville (BNA) - Jacksonville (JAX)
- Ronald Reagan Washington (DCA) - Denver (DEN)
- Ronald Reagan Washington (DCA) - Nashville (BNA)
- Sacramento (SMF) - Colorado Springs (COS)
- Sacramento (SMF) - Denver (DEN)
- Tampa (TPA) - Milwaukee (MKE)