Flight George Bush Intercontinental Airport departs from Houston George Bush Intercontinental Airport at 18:25 and arrives at Atlanta Hartsfield Jackson International Airport at 21:30.
The flighttime is about 2h 05m. The distance travelled ("as the bird flies"): 1213 Km. So the average speed is roughly 582 Km.
There is an 1 hour time difference between Houston and Atlanta
