Flight Zvartnots International Airport departs from Yerevan Zvartnots International Airport at 14:35 and arrives at Moscow Sheremetyevo International Airport at 16:45.
The flighttime is about 3h 10m. The distance travelled ("as the bird flies"): 1536 Km. So the average speed is roughly 485 Km.
There is an 1 hour time difference between Yerevan and Moscow