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AS 620 Denver to Seattle Flight Status

Alaska Airlines Flight AS620 from Denver International Airport DEN to Seattle Tacoma International Airport SEA is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on October 25th, 2025.
Check the table below for AS620's most recent flight history:

AS 620 Flight Status & Schedule

Date Departure Arrival Status
Oct 25 22:46 20:21
Unknown
Track >
Oct 24 19:13 20:48
Landed Late
Track >
Oct 23 18:20 20:21
Cancelled
Track >
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Oct 22 18:34 20:01
Landed
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Oct 21 18:42 20:09
Landed
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Alaska Airlines AS 620 Denver to Seattle Flight Information

Alaska Airlines Flight AS620 connects Denver, United States to Seattle, United States, taking off from Denver International Airport DEN and landing at Seattle Tacoma International Airport SEA.

How long is the AS620 flight from Denver to Seattle?

The average flight time from Denver to Seattle is 2 hours and 32 minutes. The flight distance is 1645 km / 1022 miles and the average flight speed is 627 km/h / 390 mph.

What is the On-Time Performance (OTP) of Alaska Airlines Flight AS620 Denver to Seattle?

The Airportia On-Time Performance Rating for Alaska Airlines Flight AS620 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AS620 arriving at?

Flight AS620 arrives at Seattle Tacoma International Airport (SEA) Terminal 4.

When was the latest AS620 flight?

The latest flight took off on Sunday, October 26th, 2025 with the flight status being Unknown on 20:21.

How else can the flight AS620 be referenced as?

This Alaska Airlines flight can also be referenced as ASA620, AS0620, AS 620, ASA 620.

How often is flight AS620 delayed?

On average, 30% of all AS620 flights are delayed. The average delay is 45 minutes.

Can I get compensation for my delayed or cancelled AS620 flight or baggage issues?

If your AS620 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 AS620 Flight Tracker above for more details.

AS620 and Denver DEN to Seattle SEA Flights

Flight AS620 is code-shared by 3 airlines using the flight numbers HA4726, JX7039, TN2348

Other flights departing from Denver DEN: UA2292, WN3888, WN2271, UA1299

Other flights arriving at Seattle SEA: AS1071, AS309, AS1065, WN3207

All flights connecting Denver DEN to Seattle SEA.

AS620 Alaska Airlines Flight: Denver to Seattle Route Map

AS620 Alaska Airlines Flight Map: Denver to Seattle
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.