Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 07:15 and arrives at Chennai Chennai International Airport at 09:55.
The flighttime is about 2h 40m. The distance travelled ("as the bird flies"): 479 Km. So the average speed is roughly 180 Km.
The best day to arrive at Delhi is Wednesday and it would be best to avoid Sunday, as prices are on average 89.39% higher than on Wednesday. (Average prices, based on 661440 datapoints.)
We have a lot more statistics for flights 6E 2281 and between Delhi and Chennai.