Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 10:45 and arrives at Chennai Chennai International Airport at 13:35.
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 Delhi is Tuesday and it would be best to avoid Friday, as prices are on average 62.27% higher than on Tuesday. (Average prices, based on 681121 datapoints.)
We have a lot more statistics for flights 6E 6239 and between Delhi and Chennai.
THB
