AM 3840 Chicago to Atlanta Flight Status

Aeromexico Flight AM3840 from Chicago O'Hare International Airport ORD to Atlanta Hartsfield-Jackson International Airport ATL is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on October 4th, 2025.
Check the table below for AM3840's most recent flight history:

AM 3840 Flight Status & Schedule

Date Departure Arrival Status
Oct 04 13:08 15:29
Landed
Track >
Oct 01 13:28 15:55
Landed
Track >
Sep 30 13:12 15:31
Landed
Track >
Sep 27 13:16 15:39
Landed
Track >
Sep 24 13:25 15:56
Landed
Track >

Aeromexico AM 3840 Chicago to Atlanta Flight Information

Aeromexico Flight AM3840 connects Chicago, United States to Atlanta, United States, taking off from Chicago O'Hare International Airport ORD and landing at Atlanta Hartsfield-Jackson International Airport ATL.

How long is the AM3840 flight from Chicago to Atlanta?

The average flight time from Chicago to Atlanta is 1 hour and 25 minutes. The flight distance is 976 km / 607 miles and the average flight speed is 668 km/h / 415 mph.

What is the On-Time Performance (OTP) of Aeromexico Flight AM3840 Chicago to Atlanta?

The Airportia On-Time Performance Rating for Aeromexico Flight AM3840 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AM3840 arriving at?

Flight AM3840 arrives at Atlanta Hartsfield-Jackson International Airport (ATL) Terminal S.

When was the latest AM3840 flight?

The latest flight took off on Saturday, October 4th, 2025 with the flight status being Landed on 15:29.

How else can the flight AM3840 be referenced as?

This Aeromexico flight can also be referenced as AMX3840, AM 3840, AMX 3840.

How often is flight AM3840 delayed?

On average, 20% of all AM3840 flights are delayed. The average delay is 11 minutes.

Can I get compensation for my delayed or cancelled AM3840 flight or baggage issues?

If your AM3840 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 AM3840 Flight Tracker above for more details.

AM3840 and Chicago ORD to Atlanta ATL Flights

Other flights departing from Chicago ORD: AA4730, DL561, UA353, AA4172

Other flights arriving at Atlanta ATL: AA1236, DL561, DL3635, DL4882

All flights connecting Chicago ORD to Atlanta ATL.

AM3840 Aeromexico Flight: Chicago to Atlanta Route Map

AM3840 Aeromexico Flight Map: Chicago to Atlanta
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.