Flight George Bush Intercontinental Airport departs from Houston George Bush Intercontinental Airport at 19:55 and arrives at Atlanta Hartsfield Jackson International Airport at 23:03.
The flighttime is about 2h 08m. The distance travelled ("as the bird flies"): 1213 Km. So the average speed is roughly 569 Km.
There is an 1 hour time difference between Houston and Atlanta
