Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 05:15 and arrives at Lucknow Chaudhary Charan Singh Airport at 06:35.
The flighttime is about 1h 20m. The distance travelled ("as the bird flies"): 421 Km. So the average speed is roughly 316 Km.
The best day to arrive at Delhi is Monday and it would be best to avoid Saturday, as prices are on average 100.17% higher than on Monday. (Average prices, based on 465071 datapoints.)
We have a lot more statistics for flights I5 548 and between Delhi and Lucknow.