Are you looking for the June 4th, 2026 AA 4391 Portland to Chicago flight? Click here to go to our AA4391 Portland to Chicago Flight Status page >

AA 4391 Boston to Chicago Flight Status

American Airlines Flight AA4391 from Boston Logan International Airport BOS to Chicago O'Hare International Airport ORD is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on December 1st, 2025.
Check the table below for AA4391's most recent flight history:

AA 4391 Flight Status & Schedule

Date Departure Arrival Status
Dec 01 14:26 15:56
Landed Late
Track >
Nov 30 15:39 17:08
Delayed
Track >
Nov 29 18:15 15:39
Unknown
Track >
Nov 26 15:08 16:29
Delayed
Track >
Nov 25 13:32 15:05
Landed
Track >

American Airlines AA 4391 Boston to Chicago Flight Information

American Airlines Flight AA4391 connects Boston, United States to Chicago, United States, taking off from Boston Logan International Airport BOS and landing at Chicago O'Hare International Airport ORD.

How long is the AA4391 flight from Boston to Chicago?

The average flight time from Boston to Chicago is 2 hours and 25 minutes. The flight distance is 1391 km / 864 miles and the average flight speed is 558 km/h / 347 mph.

What is the On-Time Performance (OTP) of American Airlines Flight AA4391 Boston to Chicago?

The Airportia On-Time Performance Rating for American Airlines Flight AA4391 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AA4391 arriving at?

Flight AA4391 arrives at Chicago O'Hare International Airport (ORD) Terminal 3.

When was the latest AA4391 flight?

The latest flight took off on Monday, December 1st, 2025 with the flight status being Landed on 15:56.

How else can the flight AA4391 be referenced as?

This American Airlines flight can also be referenced as AAL4391, AA 4391, AAL 4391.

How often is flight AA4391 delayed?

On average, 30% of all AA4391 flights are delayed. The average delay is 52 minutes.

Can I get compensation for my delayed or cancelled AA4391 flight or baggage issues?

If your AA4391 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 AA4391 Flight Tracker above for more details.

AA4391 and Boston BOS to Chicago ORD Flights

Flight AA4391 is code-shared by 2 airlines using the flight numbers BA1732, JL7491

Other flights departing from Boston BOS: AA5823, B6611, NK2421, 9K3651

Other flights arriving at Chicago ORD: B6611, AA2372, OO5417, UA5417

All flights connecting Boston BOS to Chicago ORD.

AA4391 American Airlines Flight: Boston to Chicago Route Map

AA4391 American Airlines Flight Map: Boston 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.