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AM 4021 Atlanta to Seattle Flight Status

Aeromexico Flight AM4021 from Atlanta Hartsfield-Jackson International Airport ATL to Seattle Tacoma International Airport SEA is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on August 9th, 2025.
Check the table below for AM4021's most recent flight history:

AM 4021 Flight Status & Schedule

Date Departure Arrival Status
Aug 09 20:03 21:59
Landed
Track >
Aug 02 19:58 21:57
Landed
Track >
Jul 30 20:48 22:35
Landed
Track >
Jul 29 21:39 00:19
Delayed
Track >
Jun 07 19:58 21:51
Landed
Track >

Aeromexico AM 4021 Atlanta to Seattle Flight Information

Aeromexico Flight AM4021 connects Atlanta, United States to Seattle, United States, taking off from Atlanta Hartsfield-Jackson International Airport ATL and landing at Seattle Tacoma International Airport SEA.

How long is the AM4021 flight from Atlanta to Seattle?

The average flight time from Atlanta to Seattle is 5 hours and 1 minute. The flight distance is 3505 km / 2178 miles and the average flight speed is 701 km/h / 435 mph.

What is the On-Time Performance (OTP) of Aeromexico Flight AM4021 Atlanta to Seattle?

The Airportia On-Time Performance Rating for Aeromexico Flight AM4021 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AM4021 arriving at?

Flight AM4021 arrives at Seattle Tacoma International Airport (SEA) Terminal B.

When was the latest AM4021 flight?

The latest flight took off on Sunday, August 10th, 2025 with the flight status being Landed on 21:59.

How else can the flight AM4021 be referenced as?

This Aeromexico flight can also be referenced as AMX4021, AM 4021, AMX 4021.

How often is flight AM4021 delayed?

On average, 40% of all AM4021 flights are delayed. The average delay is 24 minutes.

Can I get compensation for my delayed or cancelled AM4021 flight or baggage issues?

If your AM4021 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 AM4021 Flight Tracker above for more details.

AM4021 and Atlanta ATL to Seattle SEA Flights

Other flights departing from Atlanta ATL: NK1555, DL623, DL3217, NK1755

Other flights arriving at Seattle SEA: DL623, UA2200, AS3199, AS1110

All flights connecting Atlanta ATL to Seattle SEA.

AM4021 Aeromexico Flight: Atlanta to Seattle Route Map

AM4021 Aeromexico Flight Map: Atlanta to Seattle
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.