How long is the QR3421 flight?

The timetable allows 4 h 22 min. St. Louis to Seattle is 2,744 km (1,705 mi).

What other flight numbers does QR3421 have?

Also listed as QTR3421 (Qatar Airways' ICAO code) and QR 3421.

QR3421 Flight Status Qatar Airways: St. Louis to Seattle (QTR3421)

Are you looking for the November 9th, 2026 QR 3421 Redmond to Los Angeles flight? Go to our QR3421 Redmond to Los Angeles Flight Status page >

QR 3421 St. Louis to Seattle Flight Status

Not scheduled today (November 9th, 2026). Latest flight: September 30th, 2026 ; recent history is in the table below.

QR 3421 Flight Status & Schedule Qatar Airways St. Louis to Seattle

Date	From	To	Departure	Arrival	Status	Details
Sep 30	STL	SEA	15:24	17:03	Landed	Track >

Qatar Airways flight QR 3421 links St. Louis and Seattle, 2,744 km (1,705 mi) apart. The timetable allows 4 h 22 min; there is not enough recent history yet to say how long it usually takes. It is not flying today; the last flight, on 30 September 2026, landed on time.

< All St. Louis STL Departures All Seattle SEA Arrivals >

About QR 3421

Route: St. Louis Lambert International Airport STL to Seattle Tacoma International Airport SEA
Distance: 2,744 km (1,705 mi)
Scheduled flight time: 4 h 22 min

QR 3421 FAQ

How long is the QR3421 flight?: The timetable allows 4 h 22 min. St. Louis to Seattle is 2,744 km (1,705 mi).
What other flight numbers does QR3421 have?: Also listed as QTR3421 (Qatar Airways' ICAO code) and QR 3421.

QR3421 and St. Louis STL to Seattle SEA Flights

Flight QR3421 is a code-share Qatar Airways flight of the Alaska Airlines operated AS388.

Other flights departing from St. Louis STL: WN1370, AS388, WN1007

Other flights arriving at Seattle SEA: WN2826, AS388, QX2335

All flights connecting St. Louis STL to Seattle SEA.