Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 20:25 and arrives at Trivandrum Trivandrum International Airport at 23:45.
The flighttime is about 3h 20m. The distance travelled ("as the bird flies"): 499 Km. So the average speed is roughly 150 Km.
The best day to arrive at Delhi is Friday and it would be best to avoid Thursday, as prices are on average 341.49% higher than on Friday. (Average prices, based on 135668 datapoints.)
We have a lot more statistics for flights 6E 6171 and between Delhi and Trivandrum.