/ Flights / American Airlines / AA1645

AA1645 Flight Status American Airlines: Buffalo to Chicago (AAL1645)

Are you looking for the June 4th, 2026 AA 1645 Chicago to Bozeman flight? Click here to go to our AA1645 Chicago to Bozeman Flight Status page >

AA 1645 Buffalo to Chicago Flight Status

American Airlines Flight AA1645 from Buffalo Niagara International Airport BUF to Chicago O'Hare International Airport ORD is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on September 6th, 2025.
Check the table below for AA1645's most recent flight history:

AA 1645 Flight Status & Schedule

Date Departure Arrival Status
Sep 06 16:45 17:04
Landed
 Track >
Sep 04 16:29 16:47
Landed
 Track >
Sep 03 16:54 17:41
Landed
 Track >
< All BUF Departures All ORD Arrivals >

American Airlines AA 1645 Buffalo to Chicago Flight Information

American Airlines Flight AA1645 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 AA1645 flight from Buffalo to Chicago?

The average flight time from Buffalo to Chicago is 1 hour and 28 minutes. The flight distance is 760 km / 472 miles and the average flight speed is 529 km/h / 329 mph.

What is the On-Time Performance (OTP) of American Airlines Flight AA1645 Buffalo to Chicago?

The Airportia On-Time Performance Rating for American Airlines Flight AA1645 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AA1645 arriving at?

Flight AA1645 arrives at Chicago O'Hare International Airport (ORD) Terminal 3.

When was the latest AA1645 flight?

The latest flight took off on Saturday, September 6th, 2025 with the flight status being Landed on 17:04.

How else can the flight AA1645 be referenced as?

This American Airlines flight can also be referenced as AAL1645, AA 1645, AAL 1645.

How often is flight AA1645 delayed?

On average, 33% of all AA1645 flights are delayed. The average delay is 4 minutes.

Can I get compensation for my delayed or cancelled AA1645 flight or baggage issues?

If your AA1645 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 AA1645 Flight Tracker above for more details.

AA1645 and Buffalo BUF to Chicago ORD Flights

Flight AA1645 is code-shared by 4 airlines using the flight numbers AS6812, BA1741, GF6789, QR7827

Other flights departing from Buffalo BUF: WN3405, WN3583, DL1747, UA3644

Other flights arriving at Chicago ORD: OO6412, WN183, UA5704, UA4390

All flights connecting Buffalo BUF to Chicago ORD.

AA1645 American Airlines Flight: Buffalo to Chicago Route Map

AA1645 American Airlines Flight Map: Buffalo to Chicago
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
New Flights: A24258 FJ2805 FJ2801 FJ1153 KJ4602 FJ1128 BI4227 JA5643 KM9650 TP9276
See Also: Flight Tracker Airports Airlines News Flights Monitor Delay Compensation
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.