Are you looking for the June 4th, 2026 AA 3878 San Antonio to Dallas flight? Click here to go to our AA3878 San Antonio to Dallas Flight Status page >

AA 3878 New York to Chicago Flight Status

American Airlines Flight AA3878 from New York Newark Liberty International Airport EWR to Chicago O'Hare International Airport ORD is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on October 5th, 2025.
Check the table below for AA3878's most recent flight history:

AA 3878 Flight Status & Schedule

Date Departure Arrival Status
Oct 05 14:40 15:25
Landed
Track >
Oct 04 15:04 15:46
Landed
Track >
Oct 03 14:41 15:29
Landed
Track >
Oct 02 14:35 15:26
Landed
Track >
Oct 01 15:27 16:19
Landed Late
Track >

American Airlines AA 3878 New York to Chicago Flight Information

American Airlines Flight AA3878 connects New York, United States to Chicago, United States, taking off from New York Newark Liberty International Airport EWR and landing at Chicago O'Hare International Airport ORD.

How long is the AA3878 flight from New York to Chicago?

The average flight time from New York to Chicago is 1 hour and 47 minutes. The flight distance is 1154 km / 717 miles and the average flight speed is 646 km/h / 401 mph.

What is the On-Time Performance (OTP) of American Airlines Flight AA3878 New York to Chicago?

The Airportia On-Time Performance Rating for American Airlines Flight AA3878 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AA3878 arriving at?

Flight AA3878 arrives at Chicago O'Hare International Airport (ORD) Terminal 3.

When was the latest AA3878 flight?

The latest flight took off on Sunday, October 5th, 2025 with the flight status being Landed on 15:25.

How else can the flight AA3878 be referenced as?

This American Airlines flight can also be referenced as AAL3878, AA 3878, AAL 3878.

How often is flight AA3878 delayed?

On average, 10% of all AA3878 flights are delayed. The average delay is 15 minutes.

Can I get compensation for my delayed or cancelled AA3878 flight or baggage issues?

If your AA3878 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 AA3878 Flight Tracker above for more details.

AA3878 and New York EWR to Chicago ORD Flights

Flight AA3878 is code-shared by 3 airlines using the flight numbers AS6014, BA4380, QR2878

Other flights departing from New York EWR: AA3890, AA1796, NK2236, LO18

Other flights arriving at Chicago ORD: AA3675, AA3646, AA4124, AA6367

All flights connecting New York EWR to Chicago ORD.

AA3878 American Airlines Flight: New York to Chicago Route Map

AA3878 American Airlines Flight Map: New York 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.