Flight Chennai International Airport departs from Chennai Chennai International Airport at 02:30 and arrives at Delhi Indira Gandhi International Airport at 05:20.
The flighttime is about 2h 50m. The distance travelled ("as the bird flies"): 479 Km. So the average speed is roughly 169 Km.
The best day to arrive at Chennai is Friday and it would be best to avoid Sunday, as prices are on average 155.99% higher than on Friday. (Average prices, based on 634871 datapoints.)
We have a lot more statistics for flights 6E 456 and between Chennai and Delhi.