Flight Hartsfield Jackson International Airport departs from Atlanta Hartsfield Jackson International Airport at 16:35 and arrives at Mexico City Licenciado Benito Juarez International Airport at 18:30.
The flighttime is about 2h 55m. The distance travelled ("as the bird flies"): 1616 Km. So the average speed is roughly 554 Km.
There is an 1 hour time difference between Atlanta and Mexico City