Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 13:45 and arrives at Tashkent International Airport at 16:15.
The flighttime is about 3h 00m. The distance travelled ("as the bird flies"): 957 Km. So the average speed is roughly 319 Km.
There is an 0.5 hour time difference between Delhi and Tashkent