AA 3879 Buffalo to Chicago Flight Status

American Airlines Flight AA3879 from Buffalo Niagara International Airport BUF to Chicago O'Hare International Airport ORD is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on October 5th, 2025.
Check the table below for AA3879's most recent flight history:

AA 3879 Flight Status & Schedule

Date Departure Arrival Status
Oct 05 18:09 18:30
Landed
Track >
Oct 04 18:13 18:31
Landed
Track >
Oct 03 18:04 18:19
Landed
Track >
Oct 02 17:35 17:57
Landed
Track >
Oct 01 17:27 17:46
Landed
Track >

American Airlines AA 3879 Buffalo to Chicago Flight Information

American Airlines Flight AA3879 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 AA3879 flight from Buffalo to Chicago?

The average flight time from Buffalo to Chicago is 1 hour and 17 minutes. The flight distance is 760 km / 472 miles and the average flight speed is 590 km/h / 366 mph.

What is the On-Time Performance (OTP) of American Airlines Flight AA3879 Buffalo to Chicago?

The Airportia On-Time Performance Rating for American Airlines Flight AA3879 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AA3879 arriving at?

Flight AA3879 arrives at Chicago O'Hare International Airport (ORD) Terminal 3.

When was the latest AA3879 flight?

The latest flight took off on Sunday, October 5th, 2025 with the flight status being Landed on 18:30.

How else can the flight AA3879 be referenced as?

This American Airlines flight can also be referenced as AAL3879, AA 3879, AAL 3879.

How often is flight AA3879 delayed?

On average, 30% of all AA3879 flights are delayed. The average delay is 37 minutes.

Can I get compensation for my delayed or cancelled AA3879 flight or baggage issues?

If your AA3879 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 AA3879 Flight Tracker above for more details.

AA3879 and Buffalo BUF to Chicago ORD Flights

Flight AA3879 is code-shared by 4 airlines using the flight numbers AS4062, BA1741, GF6789, QR7827

Other flights departing from Buffalo BUF: DL5189, F92751, AA4647, F92751

Other flights arriving at Chicago ORD: AA4141, UA4186, AA4983, OO9922

All flights connecting Buffalo BUF to Chicago ORD.

AA3879 American Airlines Flight: Buffalo to Chicago Route Map

AA3879 American Airlines Flight Map: Buffalo 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.