AY 4078 Seattle to Chicago Flight Status

Finnair Flight AY4078 from Seattle Tacoma International Airport SEA to Chicago O'Hare International Airport ORD is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on August 30th, 2025.
Check the table below for AY4078's most recent flight history:

AY 4078 Flight Status & Schedule

Date Departure Arrival Status
Aug 30 13:44 19:04
Landed
Track >

Finnair AY 4078 Seattle to Chicago Flight Information

Finnair Flight AY4078 connects Seattle, United States to Chicago, United States, taking off from Seattle Tacoma International Airport SEA and landing at Chicago O'Hare International Airport ORD.

How long is the AY4078 flight from Seattle to Chicago?

The average flight time from Seattle to Chicago is 3 hours and 20 minutes. The flight distance is 2762 km / 1716 miles and the average flight speed is 829 km/h / 515 mph.

What is the On-Time Performance (OTP) of Finnair Flight AY4078 Seattle to Chicago?

The Airportia On-Time Performance Rating for Finnair Flight AY4078 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AY4078 arriving at?

Flight AY4078 arrives at Chicago O'Hare International Airport (ORD) Terminal 3.

When was the latest AY4078 flight?

The latest flight took off on Sunday, August 31st, 2025 with the flight status being Landed on 19:04.

How else can the flight AY4078 be referenced as?

This Finnair flight can also be referenced as FIN4078, AY 4078, FIN 4078.

How often is flight AY4078 delayed?

On average, 0% of all AY4078 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled AY4078 flight or baggage issues?

If your AY4078 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 AY4078 Flight Tracker above for more details.

AY4078 and Seattle SEA to Chicago ORD Flights

Other flights departing from Seattle SEA: WN2747, AA1525, AS331, WS3613

Other flights arriving at Chicago ORD: AA1525, AA4106, NK2690, AA1103

All flights connecting Seattle SEA to Chicago ORD.

AY4078 Finnair Flight: Seattle to Chicago Route Map

AY4078 Finnair Flight Map: Seattle to Chicago
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.