Flight Sheremetyevo International Airport departs from Moscow Sheremetyevo International Airport at 13:15 and arrives at Prague Václav Havel Airport Prague at 15:00.
The flighttime is about 2h 45m. The distance travelled ("as the bird flies"): 2639 Km. So the average speed is roughly 960 Km.
There is an 1 hour time difference between Moscow and Prague