Flight Istanbul Atatürk Airport departs from Istanbul Istanbul Atatürk Airport at 20:20 and arrives at Delhi Indira Gandhi International Airport at 05:05.
The flighttime is about 6h 15m. The distance travelled ("as the bird flies"): 5409 Km. So the average speed is roughly 865 Km.
There is an 2.5 hour time difference between Istanbul and Delhi