AA 4091 Buffalo to Chicago Flight Status

American Airlines Flight AA4091 from Buffalo Niagara International Airport BUF to Chicago O'Hare International Airport ORD is not scheduled for today June 20th, 2026.
The last time the flight was scheduled was on June 13th, 2026.
Check the table below for AA4091's most recent flight history:

AA 4091 Flight Status & Schedule

Date Departure Arrival Status
Jun 13 17:49 18:13
Landed
Track >
Jun 06 17:07 17:29
Landed
Track >

American Airlines AA 4091 Buffalo to Chicago Flight Information

American Airlines Flight AA4091 connects Buffalo, United States to Chicago, United States, taking off from Buffalo Niagara International Airport BUF and landing at Chicago O'Hare International Airport ORD.

How long is the AA4091 flight from Buffalo to Chicago?

The average flight time from Buffalo to Chicago is 1 hour and 23 minutes. The flight distance is 760 km / 472 miles and the average flight speed is 549 km/h / 341 mph.

What is the On-Time Performance (OTP) of American Airlines Flight AA4091 Buffalo to Chicago?

The Airportia On-Time Performance Rating for American Airlines Flight AA4091 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AA4091 arriving at?

Flight AA4091 arrives at Chicago O'Hare International Airport (ORD) Terminal 3.

When was the latest AA4091 flight?

The latest flight took off on Saturday, June 13th, 2026 with the flight status being Landed on 18:13.

How else can the flight AA4091 be referenced as?

This American Airlines flight can also be referenced as AAL4091, AA 4091, AAL 4091.

How often is flight AA4091 delayed?

On average, 50% of all AA4091 flights are delayed. The average delay is 3 minutes.

Can I get compensation for my delayed or cancelled AA4091 flight or baggage issues?

If your AA4091 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 AA4091 Flight Tracker above for more details.

AA4091 and Buffalo BUF to Chicago ORD Flights

Flight AA4091 is code-shared by 5 airlines using the flight numbers AS4453, BA1741, GF6789, IB8340, QR2852

Other flights departing from Buffalo BUF: AA5106, WN450, DL2266, WN757

Other flights arriving at Chicago ORD: UA415, UA799, UA1922, AA1760

All flights connecting Buffalo BUF to Chicago ORD.

AA4091 American Airlines Flight: Buffalo to Chicago Route Map

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.