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AA 1645 Chicago to Buffalo Flight Status

American Airlines Flight AA1645 from Chicago O'Hare International Airport ORD to Buffalo Niagara International Airport BUF 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 13:17 15:25
Landed
Track >
Sep 04 13:14 15:21
Landed
Track >
Sep 03 13:23 15:28
Landed
Track >

American Airlines AA 1645 Chicago to Buffalo Flight Information

American Airlines Flight AA1645 connects Chicago, United States to Buffalo, United States, taking off from Chicago O'Hare International Airport ORD and landing at Buffalo Niagara International Airport BUF.

How long is the AA1645 flight from Chicago to Buffalo?

The average flight time from Chicago to Buffalo is 1 hour and 6 minutes. The flight distance is 760 km / 472 miles and the average flight speed is 684 km/h / 425 mph.

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

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.

When was the latest AA1645 flight?

The latest flight took off on Saturday, September 6th, 2025 with the flight status being Landed on 15:25.

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, 0% of all AA1645 flights are delayed. The average delay is 0 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 Chicago ORD to Buffalo BUF Flights

Flight AA1645 is code-shared by 2 airlines using the flight numbers AS6812, BA5131

Other flights departing from Chicago ORD: UA5118, WS1149, UA5697, OO5118

Other flights arriving at Buffalo BUF: UA4344, WN1461, WN889, WN3599

All flights connecting Chicago ORD to Buffalo BUF.

AA1645 American Airlines Flight: Chicago to Buffalo Route Map

AA1645 American Airlines Flight Map: Chicago to Buffalo
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.