AY 4120 St. Louis to Chicago Flight Status

Finnair Flight AY4120 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 August 27th, 2025.
Check the table below for AY4120's most recent flight history:

AY 4120 Flight Status & Schedule

Date Departure Arrival Status
Aug 27 16:22 17:15
Landed
Track >

Finnair AY 4120 St. Louis to Chicago Flight Information

Finnair Flight AY4120 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 AY4120 flight from St. Louis to Chicago?

The average flight time from St. Louis to Chicago is 53 minutes. The flight distance is 415 km / 258 miles and the average flight speed is 470 km/h / 292 mph.

What is the On-Time Performance (OTP) of Finnair Flight AY4120 St. Louis to Chicago?

The Airportia On-Time Performance Rating for Finnair Flight AY4120 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AY4120 arriving at?

Flight AY4120 arrives at Chicago O'Hare International Airport (ORD) Terminal 3.

When was the latest AY4120 flight?

The latest flight took off on Wednesday, August 27th, 2025 with the flight status being Landed on 17:15.

How else can the flight AY4120 be referenced as?

This Finnair flight can also be referenced as FIN4120, AY 4120, FIN 4120.

How often is flight AY4120 delayed?

On average, 0% of all AY4120 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled AY4120 flight or baggage issues?

If your AY4120 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 AY4120 Flight Tracker above for more details.

AY4120 and St. Louis STL to Chicago ORD Flights

Other flights departing from St. Louis STL: AA3096, AA3359, AA6480, UA6144

Other flights arriving at Chicago ORD: AA1479, AA4478, AA5161, AA3359

All flights connecting St. Louis STL to Chicago ORD.

AY4120 Finnair Flight: St. Louis to Chicago Route Map

AY4120 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.