Flight Adolfo Suárez Madrid–Barajas Airport departs from Madrid Adolfo Suárez Madrid–Barajas Airport at 10:05 and arrives at Miami International Airport at 13:30.
The flighttime is about 9h 25m. The distance travelled ("as the bird flies"): 8567 Km. So the average speed is roughly 910 Km.
There is an 6 hour time difference between Madrid and Miami