Flight Chennai International Airport departs from Chennai Chennai International Airport at 20:30 and arrives at Delhi Indira Gandhi International Airport at 23:30.
The flighttime is about 3h 00m. The distance travelled ("as the bird flies"): 479 Km. So the average speed is roughly 160 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 833645 datapoints.)
We have a lot more statistics for flights SG 458 and between Chennai and Delhi.