Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 15:45 and arrives at Chennai Chennai International Airport at 18:30.
The flighttime is about 2h 45m. The distance travelled ("as the bird flies"): 479 Km. So the average speed is roughly 174 Km.
The best day to arrive at Delhi is Thursday and it would be best to avoid Sunday, as prices are on average 562.33% higher than on Thursday. (Average prices, based on 1088671 datapoints.)
We have a lot more statistics for flights AI 537 and between Delhi and Chennai.
