Flight Cochin International Airport departs from Kochi Cochin International Airport at 15:05 and arrives at Kolkata Netaji Subhas Chandra Bose International Airport at 18:10.
The flighttime is about 3h 05m. The distance travelled ("as the bird flies"): 1359 Km. So the average speed is roughly 441 Km.
The best day to arrive at Kochi is Wednesday and it would be best to avoid Sunday, as prices are on average 242% higher than on Wednesday. (Average prices, based on 141784 datapoints.)
We have a lot more statistics for flights IX 1128 and between Kochi and Kolkata.