Flight Chennai International Airport departs from Chennai Chennai International Airport at 21:05 and arrives at Delhi Indira Gandhi International Airport at 00:10.
The flighttime is about 3h 05m. The distance travelled ("as the bird flies"): 479 Km. So the average speed is roughly 155 Km.
The best day to arrive at Chennai is Friday and it would be best to avoid Wednesday, as prices are on average 93.45% higher than on Friday. (Average prices, based on 833644 datapoints.)
We have a lot more statistics for flights 6E 2017 and between Chennai and Delhi.
