AS 3421 Vancouver to Seattle Flight Status

Alaska Airlines Flight AS3421 from Vancouver International Airport YVR to Seattle Tacoma International Airport SEA is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on March 17th, 2026.
Check the table below for AS3421's most recent flight history:

AS 3421 Flight Status & Schedule

Date Departure Arrival Status
Mar 17 14:31 15:00
Landed Late
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Mar 16 13:54 14:25
Landed
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Mar 13 13:20 14:36
Cancelled
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Mar 12 14:22 14:50
Landed
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Mar 10 13:52 14:23
Landed
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Alaska Airlines AS 3421 Vancouver to Seattle Flight Information

Alaska Airlines Flight AS3421 connects Vancouver, Canada to Seattle, United States, taking off from Vancouver International Airport YVR and landing at Seattle Tacoma International Airport SEA.

How long is the AS3421 flight from Vancouver to Seattle?

The average flight time from Vancouver to Seattle is 29 minutes. The flight distance is 205 km / 127 miles and the average flight speed is 393 km/h / 244 mph.

What is the On-Time Performance (OTP) of Alaska Airlines Flight AS3421 Vancouver to Seattle?

The Airportia On-Time Performance Rating for Alaska Airlines Flight AS3421 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AS3421 arriving at?

Flight AS3421 arrives at Seattle Tacoma International Airport (SEA) Terminal 2.

When was the latest AS3421 flight?

The latest flight took off on Tuesday, March 17th, 2026 with the flight status being Landed on 15:00.

How else can the flight AS3421 be referenced as?

This Alaska Airlines flight can also be referenced as ASA3421, AS 3421, ASA 3421.

How often is flight AS3421 delayed?

On average, 30% of all AS3421 flights are delayed. The average delay is 29 minutes.

Can I get compensation for my delayed or cancelled AS3421 flight or baggage issues?

If your AS3421 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our AS3421 Flight Tracker above for more details.

AS3421 and Vancouver YVR to Seattle SEA Flights

Flight AS3421 is code-shared by 3 airlines using the flight numbers BA7540, HA7245, QR8836

Other flights departing from Vancouver YVR: AC8522, AC1314, AS3389, AC7052

Other flights arriving at Seattle SEA: AS1329, AS783, AS2301, AS348

All flights connecting Vancouver YVR to Seattle SEA.

AS3421 Alaska Airlines Flight: Vancouver to Seattle Route Map

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Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.