How long is the WN1543 flight?

The timetable allows 3 h 10 min. Denver to Seattle is 1,645 km (1,022 mi).

What other flight numbers does WN1543 have?

Also listed as SWA1543 (Southwest Airlines' ICAO code) and WN 1543.

WN1543 Flight Status Southwest Airlines: Denver to Seattle (SWA1543)

Southwest Airlines WN 1543

Landed On Time

DEN Denver

Scheduled: 08:50
Actual: 09:09

Gate: C53

Departure: Tue, Nov 3, 2026 · local time MST

Denver International Airport (DEN)

All DEN Departures >

SEA Seattle

Scheduled: 11:00
Actual: 10:31
Delay

Gate: B14

Arrival: Tue, Nov 3, 2026 · local time PST

Seattle Tacoma International Airport (SEA)

All SEA Arrivals >

Landed 4h 18m ago 100%

DEN 09:09 SEA 10:31

1,645 km (1,022 mi) flown

Estimated position based on departure and arrival times, not live tracking. Times are local at each airport.

Add to calendar

Distance: 1645 km / 1022 miles · Scheduled Duration: 03:10 · Actual Duration: 02:22

This flight continues to Sacramento (SMF): WN1543 Seattle to Sacramento departs at 11:35 local time on Nov 3.

WN 1543 Flight Status & Schedule Southwest Airlines Denver to Seattle

Date	From	To	Departure	Arrival	Status	Details
Nov 03	DEN	SEA	09:09	10:31	Landed	Track >

Southwest Airlines operates WN 1543 from Denver to Seattle, a 1,645 km (1,022 mi) trip, once a week, on Tuesdays. The timetable allows 3 h 10 min; there is not enough recent history yet to say how long it usually takes. Today it left 19 minutes late and still landed at 10:31, 29 minutes early.

< All Denver DEN Departures All Seattle SEA Arrivals >

About WN 1543

Route: Denver International Airport DEN to Seattle Tacoma International Airport SEA
Distance: 1,645 km (1,022 mi)
Scheduled flight time: 3 h 10 min
Flies: Tue

WN 1543 FAQ

How long is the WN1543 flight?: The timetable allows 3 h 10 min. Denver to Seattle is 1,645 km (1,022 mi).
Which days does WN1543 fly?: Once a week, on Tuesdays, based on the schedule of the last 7 days.
What other flight numbers does WN1543 have?: Also listed as SWA1543 (Southwest Airlines' ICAO code) and WN 1543.

WN1543 and Denver DEN to Seattle SEA Flights

Other flights departing from Denver DEN: WN546, WN635, WN2263, WN4428

Other flights arriving at Seattle SEA: AS224, DL2530, OO3830

All flights connecting Denver DEN to Seattle SEA.