How long is the QR3421 flight?

The timetable allows 4 h 8 min. Seattle to St. Louis 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: Seattle to St. Louis (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 Seattle to St. Louis 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 Seattle to St. Louis

Date	From	To	Departure	Arrival	Status	Details
Sep 30	SEA	STL	08:37	13:54	Landed	Track >

Qatar Airways flight QR 3421 links Seattle and St. Louis, 2,744 km (1,705 mi) apart. The timetable allows 4 h 8 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 Seattle SEA Departures All St. Louis STL Arrivals >

About QR 3421

Route: Seattle Tacoma International Airport SEA to St. Louis Lambert International Airport STL
Distance: 2,744 km (1,705 mi)
Scheduled flight time: 4 h 8 min

QR 3421 FAQ

How long is the QR3421 flight?: The timetable allows 4 h 8 min. Seattle to St. Louis 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 Seattle SEA to St. Louis STL Flights

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

Other flights departing from Seattle SEA: AS501, AS388, OO3694

Other flights arriving at St. Louis STL: AS388, WN1522, WN1695

All flights connecting Seattle SEA to St. Louis STL.