AA 4540 Baltimore to Chicago Flight Status

American Airlines Flight AA4540 from Baltimore Washington International Airport BWI to Chicago O'Hare International Airport ORD is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on March 7th, 2026.
Check the table below for AA4540's most recent flight history:

AA 4540 Flight Status & Schedule

Date Departure Arrival Status
Mar 07 06:58 07:49
Landed
Track >
Mar 06 06:55 08:25
Cancelled
Track >
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Mar 05 07:12 07:59
Landed
Track >
Mar 04 07:11 08:02
Landed
Track >
Mar 03 07:31 08:24
Landed
Track >

American Airlines AA 4540 Baltimore to Chicago Flight Information

American Airlines Flight AA4540 connects Baltimore, United States to Chicago, United States, taking off from Baltimore Washington International Airport BWI and landing at Chicago O'Hare International Airport ORD.

How long is the AA4540 flight from Baltimore to Chicago?

The average flight time from Baltimore to Chicago is 1 hour and 49 minutes. The flight distance is 998 km / 620 miles and the average flight speed is 516 km/h / 321 mph.

What is the On-Time Performance (OTP) of American Airlines Flight AA4540 Baltimore to Chicago?

The Airportia On-Time Performance Rating for American Airlines Flight AA4540 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AA4540 arriving at?

Flight AA4540 arrives at Chicago O'Hare International Airport (ORD) Terminal 3.

When was the latest AA4540 flight?

The latest flight took off on Saturday, March 7th, 2026 with the flight status being Landed on 07:49.

How else can the flight AA4540 be referenced as?

This American Airlines flight can also be referenced as AAL4540, AA 4540, AAL 4540.

How often is flight AA4540 delayed?

On average, 0% of all AA4540 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled AA4540 flight or baggage issues?

If your AA4540 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 AA4540 Flight Tracker above for more details.

AA4540 and Baltimore BWI to Chicago ORD Flights

Flight AA4540 is code-shared by 4 airlines using the flight numbers AS6526, JL7321, QR2517, RJ7071

Other flights departing from Baltimore BWI: WN2463, WN4267, DL554, WN1144

Other flights arriving at Chicago ORD: DL784, AA4668, AA4912, UA609

All flights connecting Baltimore BWI to Chicago ORD.

AA4540 American Airlines Flight: Baltimore to Chicago Route Map

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Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.