Sit on the Left side of the plane for the best views on flights from Atlanta to Mexico City. While the right side has a slight edge at ATL departure, the left side's view of the Mexico City approach — with Popocatépetl and Iztaccíhuatl on the horizon and the entire Valley of Mexico spread out below — is the most dramatic and memorable moment of the flight. Left also captures the Gulf of Mexico coastline and the Sierra Madre Oriental during the cruise phase.

During takeoff from The William B Hartsfield Atlanta International (ATL), sit on the Right side for the best views. ATL's primary departure runways (8L/8R/9L/9R heading east, or 26L/26R/27L/27R heading west) mean westbound departures toward MEX swing south. On a westbound departure, the right side gives you the Atlanta skyline and then the Chattahoochee River valley as you climb out. Left side faces north toward suburban sprawl with less visual interest. Notable sights include: Atlanta downtown skyline, Chattahoochee River, Stone Mountain (distant, east), Lake Allatoona to the northwest.

When landing at Licenciado Benito Juarez International (MEX), sit on the Left side for the best views. MEX typically uses runways 05/23, with arrivals often from the east or northeast. On approach from the northeast, the left side faces west and south, giving you the best view of Popocatépetl and Iztaccíhuatl volcanoes rising above the Valley of Mexico, plus the dense urban grid of Mexico City spreading across the basin. The right side faces north toward the less dramatic northern valley edge. Notable sights include: Popocatépetl volcano, Iztaccíhuatl volcano, Valley of Mexico urban basin, Texcoco lakebed (dry, eastern edge of the city).

The flight from The William B Hartsfield Atlanta International (ATL) to Licenciado Benito Juarez International (MEX) takes Approximately 3 hours 30 minutes.

The flight tracks southwest over Alabama and Mississippi, then crosses the Gulf of Mexico coast near the Louisiana-Texas border. Over the Gulf, there is little to see at cruise altitude except open water. The Mexican coastline reappears near Veracruz, where the Sierra Madre Oriental mountains become visible — a rugged north-south spine rising sharply from the coastal plain. As the aircraft descends toward MEX, the high central plateau of Mexico opens up, and on clear days the twin volcanoes southeast of Mexico City are visible from well over 100 miles out.