AY 4579 Seattle to Detroit Flight Status

Finnair Flight AY4579 from Seattle Tacoma International Airport SEA to Detroit Metropolitan Wayne County Airport DTW is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on June 11th, 2025.
Check the table below for AY4579's most recent flight history:

AY 4579 Flight Status & Schedule

Date Departure Arrival Status
Jun 11 22:11 04:53
Landed
Track >
Jun 09 22:12 04:49
Landed
Track >
Jun 07 22:35 05:15
Landed
Track >
Jun 05 22:37 05:20
Landed
Track >
Jun 02 22:24 05:03
Landed
Track >

Finnair AY 4579 Seattle to Detroit Flight Information

Finnair Flight AY4579 connects Seattle, United States to Detroit, United States, taking off from Seattle Tacoma International Airport SEA and landing at Detroit Metropolitan Wayne County Airport DTW.

How long is the AY4579 flight from Seattle to Detroit?

The average flight time from Seattle to Detroit is 3 hours and 40 minutes. The flight distance is 3093 km / 1922 miles and the average flight speed is 843 km/h / 524 mph.

What is the On-Time Performance (OTP) of Finnair Flight AY4579 Seattle to Detroit?

The Airportia On-Time Performance Rating for Finnair Flight AY4579 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AY4579 arriving at?

Flight AY4579 arrives at Detroit Metropolitan Wayne County Airport (DTW) Terminal E.

When was the latest AY4579 flight?

The latest flight took off on Thursday, June 12th, 2025 with the flight status being Landed on 04:53.

How else can the flight AY4579 be referenced as?

This Finnair flight can also be referenced as FIN4579, AY 4579, FIN 4579.

How often is flight AY4579 delayed?

On average, 40% of all AY4579 flights are delayed. The average delay is 3 minutes.

Can I get compensation for my delayed or cancelled AY4579 flight or baggage issues?

If your AY4579 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 AY4579 Flight Tracker above for more details.

AY4579 and Seattle SEA to Detroit DTW Flights

Other flights departing from Seattle SEA: AS401, AS431, AS544, AS133

Other flights arriving at Detroit DTW: AS401, UA560, DL9964, DL4626

All flights connecting Seattle SEA to Detroit DTW.

AY4579 Finnair Flight: Seattle to Detroit Route Map

AY4579 Finnair Flight Map: Seattle to Detroit
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.