Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 10:25 and arrives at Doha International Airport at 13:30.
The flighttime is about 5h 35m. The distance travelled ("as the bird flies"): 2844 Km. So the average speed is roughly 509 Km.
There is an 2.5 hour time difference between Delhi and Doha
The best day to arrive at Delhi is Monday and it would be best to avoid Sunday, as prices are on average 408.79% higher than on Monday. (Average prices, based on 152019 datapoints.)
We have a lot more statistics for flights QR 571 and between Delhi and Doha.
