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Southwest Airlines

SWA3856 / WN3856

ICAO: SWA3856 IATA: WN3856

Flight schedule

Select flight date
Departure
Arrive
Aircraft
Effective
Avalibility
Southwest Airlines
SWA3856
Duration
3h 00m
Distance
1028 mi, 1654 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
165
Economy
165
Southwest Airlines
SWA3856
Duration
3h 00m
Distance
1028 mi, 1654 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
165
Economy
165
Southwest Airlines
SWA3856
Duration
2h 55m
Distance
1028 mi, 1654 km
Coreshare
Same day flight
No
Terminal
Meals
Seats
137
Economy
137
Southwest Airlines
SWA3856
Duration
3h 45m
Distance
1434 mi, 2307 km
Coreshare
Same day flight
Yes
Terminal
Departure: TB
Meals
Seats
175
Economy
175
Southwest Airlines
SWA3856
Duration
3h 45m
Distance
1434 mi, 2307 km
Coreshare
Same day flight
Yes
Terminal
Departure: TB
Meals
Seats
137
Economy
137
Southwest Airlines
SWA3856
Duration
4h 10m
Distance
1577 mi, 2537 km
Coreshare
Same day flight
Yes
Terminal
Departure: TB
Meals
Seats
165
Economy
165
Southwest Airlines
SWA3856
Duration
2h 20m
Distance
843 mi, 1356 km
Coreshare
Same day flight
No
Terminal
Meals
Seats
137
Economy
137
Southwest Airlines
SWA3856
Duration
4h 35m
Distance
1803 mi, 2901 km
Coreshare
Same day flight
Yes
Terminal
Arrival: T1
Meals
Seats
165
Economy
165
Southwest Airlines
SWA3856
Duration
2h 45m
Distance
1213 mi, 1952 km
Coreshare
Same day flight
Yes
Terminal
Departure: T1
Meals
Seats
137
Economy
137
Southwest Airlines
SWA3856
Duration
1h 45m
Distance
449 mi, 722 km
Coreshare
Same day flight
Yes
Terminal
Departure: T2 Arrival: T1
Meals
Seats
165
Economy
165
Southwest Airlines
SWA3856
Duration
3h 00m
Distance
1031 mi, 1659 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
137
Economy
137
Southwest Airlines
SWA3856
Duration
4h 35m
Distance
1803 mi, 2901 km
Coreshare
Same day flight
Yes
Terminal
Arrival: T1
Meals
Seats
165
Economy
165
Southwest Airlines
SWA3856
Duration
1h 45m
Distance
449 mi, 722 km
Coreshare
Same day flight
Yes
Terminal
Departure: T2 Arrival: T1
Meals
Seats
165
Economy
165
Southwest Airlines
SWA3856
Duration
2h 45m
Distance
1213 mi, 1952 km
Coreshare
Same day flight
Yes
Terminal
Departure: T1
Meals
Seats
137
Economy
137
Southwest Airlines
SWA3856
Duration
1h 45m
Distance
449 mi, 722 km
Coreshare
Same day flight
Yes
Terminal
Departure: T2 Arrival: T1
Meals
Seats
165
Economy
165
Southwest Airlines
SWA3856
Duration
1h 25m
Distance
389 mi, 626 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
137
Economy
137
Southwest Airlines
SWA3856
Duration
1h 00m
Distance
182 mi, 293 km
Coreshare
Same day flight
Yes
Terminal
Departure: T1
Meals
Seats
165
Economy
165
Southwest Airlines
SWA3856
Duration
1h 25m
Distance
389 mi, 626 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
137
Economy
137
Southwest Airlines
SWA3856
Duration
1h 25m
Distance
389 mi, 626 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
137
Economy
137
Southwest Airlines
SWA3856
Duration
1h 25m
Distance
389 mi, 626 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
137
Economy
137
Southwest Airlines
SWA3856
Duration
1h 25m
Distance
389 mi, 626 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
137
Economy
137
Southwest Airlines
SWA3856
Duration
1h 25m
Distance
389 mi, 626 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
137
Economy
137
Southwest Airlines
SWA3856
Duration
1h 25m
Distance
389 mi, 626 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
137
Economy
137
Southwest Airlines
SWA3856
Duration
1h 30m
Distance
389 mi, 626 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
137
Economy
137
Southwest Airlines
SWA3856
Duration
1h 25m
Distance
389 mi, 626 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
137
Economy
137
Southwest Airlines
SWA3856
Duration
1h 25m
Distance
389 mi, 626 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
137
Economy
137
Southwest Airlines
SWA3856
Duration
1h 25m
Distance
389 mi, 626 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
137
Economy
137
Southwest Airlines
SWA3856
Duration
1h 30m
Distance
389 mi, 626 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
137
Economy
137
Southwest Airlines
SWA3856
Duration
1h 25m
Distance
389 mi, 626 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
137
Economy
137
Southwest Airlines
SWA3856
Duration
1h 30m
Distance
389 mi, 626 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
137
Economy
137
Southwest Airlines
SWA3856
Duration
1h 25m
Distance
389 mi, 626 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
137
Economy
137
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General route info

Frequency:

Daily

Sun Mon Tue Wed Thu Fri Sat

Direct distance

1794 miles, 2887 km

Actual distance

1803 miles, 2901 km

0.5%
Flight time

4h 35m

Flights / Week

34 flights

Seats / Week

165 seats/flight

5610 seats/week

Upcoming scheduled flights in the coming 30 days

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  • Date
    Time
    From
    To
    Aircraft
    Status
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    18 Jul 2026
    22:20
    Denver(DEN)
    Seattle(SEA)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN3856
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    19 Jul 2026
    21:10
    Denver(DEN)
    Seattle(SEA)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN3856
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    20 Jul 2026
    21:10
    Denver(DEN)
    Seattle(SEA)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN3856
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    21 Jul 2026
    21:35
    Denver(DEN)
    Seattle(SEA)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN3856
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    22 Jul 2026
    21:35
    Denver(DEN)
    Seattle(SEA)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN3856
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    23 Jul 2026
    21:10
    Denver(DEN)
    Seattle(SEA)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN3856
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    24 Jul 2026
    21:10
    Denver(DEN)
    Seattle(SEA)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN3856
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    25 Jul 2026
    22:20
    Denver(DEN)
    Seattle(SEA)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN3856
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    26 Jul 2026
    21:10
    Denver(DEN)
    Seattle(SEA)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN3856
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    27 Jul 2026
    21:10
    Denver(DEN)
    Seattle(SEA)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN3856
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    28 Jul 2026
    21:35
    Denver(DEN)
    Seattle(SEA)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN3856
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    29 Jul 2026
    21:35
    Denver(DEN)
    Seattle(SEA)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN3856
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    30 Jul 2026
    21:10
    Denver(DEN)
    Seattle(SEA)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN3856
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    31 Jul 2026
    21:10
    Denver(DEN)
    Seattle(SEA)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN3856
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    01 Aug 2026
    22:20
    Denver(DEN)
    Seattle(SEA)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN3856
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    02 Aug 2026
    21:10
    Denver(DEN)
    Seattle(SEA)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN3856
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    03 Aug 2026
    21:10
    Denver(DEN)
    Seattle(SEA)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN3856
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    04 Aug 2026
    10:55
    New York(LGA)
    Houston(HOU)
    Boeing 737MAX 8 Passenger
    WN3856
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    05 Aug 2026
    10:55
    New York(LGA)
    Houston(HOU)
    Boeing 737MAX 8 Passenger
    WN3856
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    06 Aug 2026
    16:55
    New York(LGA)
    Houston(HOU)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN3856
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    07 Aug 2026
    16:55
    New York(LGA)
    Houston(HOU)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN3856
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    10 Aug 2026
    16:55
    New York(LGA)
    Houston(HOU)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN3856
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    11 Aug 2026
    10:55
    New York(LGA)
    Houston(HOU)
    Boeing 737MAX 8 Passenger
    WN3856
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    12 Aug 2026
    10:55
    New York(LGA)
    Houston(HOU)
    Boeing 737MAX 8 Passenger
    WN3856
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    13 Aug 2026
    16:55
    New York(LGA)
    Houston(HOU)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN3856
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    14 Aug 2026
    16:55
    New York(LGA)
    Houston(HOU)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN3856
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    17 Aug 2026
    16:55
    New York(LGA)
    Houston(HOU)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN3856

SWA3856 information

A domestic route in USA departing from Nashville (BNA) and arriving at Los Angeles (LAX).

The timezone of the departure airport is UTC -5, and the timezone of the arrival airport is UTC -7.

The current time at the point of departure is 1:24am, and 11:24pm at the point of arrival. There is a -2 hour time difference between the airports.

The flight distance is 1803 miles, or 2901 km.

For direct flights, the flight time is about 4:35.

Other flights between Denver and Seattle with Southwest
07:45
WN 1713
→
08:00
WN 1780
→
08:30
WN 179
→
08:30
WN 1788
→
08:30
WN 3769
→
08:30
WN 4392
→
08:45
WN 125
→
08:45
WN 4870
→
08:45
WN 1543
→
08:50
WN 1370
→
09:05
WN 1160
→
09:05
WN 4462
→
09:05
WN 248
→
09:05
WN 2396
→
09:15
WN 883
→
09:20
WN 1017
→
10:05
WN 3051
→
11:25
WN 888
→
11:30
WN 447
→
11:40
WN 3954
→
11:45
WN 3109
→
12:20
WN 4538
→
12:30
WN 4130
→
13:00
WN 1536
→
14:00
WN 296
→
14:20
WN 3797
→
14:30
WN 3766
→
14:45
WN 2174
→
15:00
WN 1801
→
15:10
WN 174
→
15:40
WN 1670
→
15:45
WN 4030
→
15:45
WN 244
→
16:15
WN 4514
→
16:20
WN 4980
→
16:45
WN 3544
→
17:05
WN 183
→
17:40
WN 3245
→
18:30
WN 1769
→
18:50
WN 555
→
19:25
WN 760
→
19:50
WN 1716
→
20:30
WN 3630
→
20:50
WN 4358
→
20:55
WN 1331
→
20:55
WN 3141
→
20:55
WN 3415
→
21:05
WN 4800
→
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