Flight Boryspil International Airport departs from Kiev Boryspil International Airport at 09:20 and arrives at Madrid Adolfo Suárez Madrid–Barajas Airport at 12:45.
The flighttime is about 4h 25m. The distance travelled ("as the bird flies"): 3972 Km. So the average speed is roughly 899 Km.
There is an 1 hour time difference between Kiev and Madrid