Check Southwest Airlines WN840 Flight Schedule

Stay Updated on your Southwest Airlines WN840 flight status updates here

Flight
Hotel
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Wed, 15 Apr 2026
Thu, 16 Apr 2026
Sat, 18 Apr 2026

From

Wed, 15 Apr 2026

Denver

(DEN)

15:35

8h 20m

To

Wed, 15 Apr 2026

Seattle

(SEA)

22:55

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Today’s Flight

DateDepartureArrivalDurationAircraft

Wednesday

15 April 2026

15:35

Denver International Airport

22:55

Seattle Tacoma International Airport

8h 20m-

Wednesday

15 April 2026

15:35

Denver International Airport

17:05

Sacramento International Airport

2h 30mBoeing 737-700

Wednesday

15 April 2026

15:35

Denver International Airport

20:50

Ontario International Airport

6h 15m-

Wednesday

15 April 2026

15:35

Denver International Airport

19:10

Ontario International Airport

4h 35m-

Upcoming Flight

DateDepartureArrivalDurationAircraft

Thursday

16 April 2026

14:40

Denver International Airport

16:10

Sacramento International Airport

2h 30m-

Thursday

16 April 2026

14:40

Denver International Airport

22:00

Ontario International Airport

8h 20m-

Saturday

18 April 2026

13:40

Denver International Airport

19:20

Ontario International Airport

6h 40m-

Saturday

18 April 2026

13:40

Denver International Airport

17:10

Ontario International Airport

4h 30m-

Saturday

18 April 2026

13:40

Denver International Airport

15:10

Sacramento International Airport

2h 30mBoeing 737-700