AY 4109 St. Louis to Chicago Flight Status

Finnair Flight AY4109 from St. Louis Lambert International Airport STL to Chicago O'Hare International Airport ORD is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on June 3rd, 2025.
Check the table below for AY4109's most recent flight history:

AY 4109 Flight Status & Schedule

Date Departure Arrival Status
Jun 03 16:22 17:11
Landed
Track >

Finnair AY 4109 St. Louis to Chicago Flight Information

Finnair Flight AY4109 connects St. Louis, United States to Chicago, United States, taking off from St. Louis Lambert International Airport STL and landing at Chicago O'Hare International Airport ORD.

How long is the AY4109 flight from St. Louis to Chicago?

The average flight time from St. Louis to Chicago is 49 minutes. The flight distance is 415 km / 258 miles and the average flight speed is 509 km/h / 316 mph.

What is the On-Time Performance (OTP) of Finnair Flight AY4109 St. Louis to Chicago?

The Airportia On-Time Performance Rating for Finnair Flight AY4109 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AY4109 arriving at?

Flight AY4109 arrives at Chicago O'Hare International Airport (ORD) Terminal 3.

When was the latest AY4109 flight?

The latest flight took off on Tuesday, June 3rd, 2025 with the flight status being Landed on 17:11.

How else can the flight AY4109 be referenced as?

This Finnair flight can also be referenced as FIN4109, AY 4109, FIN 4109.

How often is flight AY4109 delayed?

On average, 0% of all AY4109 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled AY4109 flight or baggage issues?

If your AY4109 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 AY4109 Flight Tracker above for more details.

AY4109 and St. Louis STL to Chicago ORD Flights

Incoming flight is AA4920 Chicago ORD to St. Louis STL.

Other flights departing from St. Louis STL: AA3209, AA4919, WN3256, WN3161

Other flights arriving at Chicago ORD: AA1872, AA6396, AA4919, AA3766

All flights connecting St. Louis STL to Chicago ORD.

AY4109 Finnair Flight: St. Louis to Chicago Route Map

AY4109 Finnair Flight Map: St. Louis 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.