Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 22:20 and arrives at Tashkent International Airport at 01:05.
The flighttime is about 3h 15m. The distance travelled ("as the bird flies"): 957 Km. So the average speed is roughly 294 Km.
There is an 0.5 hour time difference between Delhi and Tashkent