Flight Istanbul Atatürk Airport departs from Istanbul Istanbul Atatürk Airport at 07:15 and arrives at Tashkent International Airport at 13:55.
The flighttime is about 4h 40m. The distance travelled ("as the bird flies"): 4500 Km. So the average speed is roughly 964 Km.
There is an 2 hour time difference between Istanbul and Tashkent