Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 18:45 and arrives at Lucknow Chaudhary Charan Singh Airport at 19:50.
The flighttime is about 1h 05m. The distance travelled ("as the bird flies"): 421 Km. So the average speed is roughly 389 Km.
The best day to arrive at Delhi is Tuesday and it would be best to avoid Saturday, as prices are on average 43.58% higher than on Tuesday. (Average prices, based on 464989 datapoints.)
We have a lot more statistics for flights 6E 538 and between Delhi and Lucknow.