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AY 4151 St. Louis to Chicago Flight Status

Finnair Flight AY4151 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 28th, 2025.
Check the table below for AY4151's most recent flight history:

AY 4151 Flight Status & Schedule

Date Departure Arrival Status
Aug 28 16:20 17:10
Landed
Track >
Aug 25 16:21 17:07
Landed
Track >

Finnair AY 4151 St. Louis to Chicago Flight Information

Finnair Flight AY4151 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 AY4151 flight from St. Louis to Chicago?

The average flight time from St. Louis to Chicago is 48 minutes. The flight distance is 415 km / 258 miles and the average flight speed is 520 km/h / 323 mph.

What is the On-Time Performance (OTP) of Finnair Flight AY4151 St. Louis to Chicago?

The Airportia On-Time Performance Rating for Finnair Flight AY4151 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AY4151 arriving at?

Flight AY4151 arrives at Chicago O'Hare International Airport (ORD) Terminal 3.

When was the latest AY4151 flight?

The latest flight took off on Thursday, August 28th, 2025 with the flight status being Landed on 17:10.

How else can the flight AY4151 be referenced as?

This Finnair flight can also be referenced as FIN4151, AY 4151, FIN 4151.

How often is flight AY4151 delayed?

On average, 0% of all AY4151 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled AY4151 flight or baggage issues?

If your AY4151 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 AY4151 Flight Tracker above for more details.

AY4151 and St. Louis STL to Chicago ORD Flights

Other flights departing from St. Louis STL: DL3878, AA3359, AA2967, OO6325

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

All flights connecting St. Louis STL to Chicago ORD.

AY4151 Finnair Flight: St. Louis to Chicago Route Map

AY4151 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.