Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 05:15 and arrives at Kochi Cochin International Airport at 08:35.
The flighttime is about 3h 20m. The distance travelled ("as the bird flies"): 484 Km. So the average speed is roughly 145 Km.
The best day to arrive at Delhi is Sunday and it would be best to avoid Thursday, as prices are on average 99.83% higher than on Sunday. (Average prices, based on 293313 datapoints.)
We have a lot more statistics for flights I5 791 and between Delhi and Kochi.