Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 08:45 and arrives at Ranchi Birsa Munda Airport at 10:25.
The flighttime is about 1h 40m. The distance travelled ("as the bird flies"): 916 Km. So the average speed is roughly 550 Km.
The best day to arrive at Delhi is Tuesday and it would be best to avoid Sunday, as prices are on average 220.28% higher than on Tuesday. (Average prices, based on 115720 datapoints.)
We have a lot more statistics for flights G8 145 and between Delhi and Ranchi.