Flight Václav Havel Airport Prague departs from Prague Václav Havel Airport Prague at 17:25 and arrives at Kiev Boryspil International Airport at 20:25.
The flighttime is about 2h 00m. The distance travelled ("as the bird flies"): 1850 Km. So the average speed is roughly 925 Km.
There is an 1 hour time difference between Prague and Kiev