AA 3645 Chicago to Pittsburgh Flight Status

American Airlines Flight AA3645 from Chicago O'Hare International Airport ORD to Pittsburgh International Airport PIT is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on June 1st, 2025.
Check the table below for AA3645's most recent flight history:

AA 3645 Flight Status & Schedule

Date Departure Arrival Status
Jun 01 08:33 10:32
Landed
Track >

American Airlines AA 3645 Chicago to Pittsburgh Flight Information

American Airlines Flight AA3645 connects Chicago, United States to Pittsburgh, United States, taking off from Chicago O'Hare International Airport ORD and landing at Pittsburgh International Airport PIT.

How long is the AA3645 flight from Chicago to Pittsburgh?

The average flight time from Chicago to Pittsburgh is 59 minutes. The flight distance is 662 km / 412 miles and the average flight speed is 674 km/h / 418 mph.

What is the On-Time Performance (OTP) of American Airlines Flight AA3645 Chicago to Pittsburgh?

The Airportia On-Time Performance Rating for American Airlines Flight AA3645 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest AA3645 flight?

The latest flight took off on Sunday, June 1st, 2025 with the flight status being Landed on 10:32.

How else can the flight AA3645 be referenced as?

This American Airlines flight can also be referenced as AAL3645, AA 3645, AAL 3645.

How often is flight AA3645 delayed?

On average, 0% of all AA3645 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled AA3645 flight or baggage issues?

If your AA3645 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 AA3645 Flight Tracker above for more details.

AA3645 and Chicago ORD to Pittsburgh PIT Flights

This is a multi leg flight of American Airlines AA3645. Next leg is Pittsburgh to Chicago

Flight AA3645 is code-shared by 2 airlines using the flight numbers AS4267, BA5296

Other flights departing from Chicago ORD: AA3350, AA6527, AA4340, AA6348

Other flights arriving at Pittsburgh PIT: DL4979, AA2594, G41120, DL5595

All flights connecting Chicago ORD to Pittsburgh PIT.

AA3645 American Airlines Flight: Chicago to Pittsburgh Route Map

AA3645 American Airlines Flight Map: Chicago to Pittsburgh
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.