Flight Netaji Subhas Chandra Bose International Airport departs from Kolkata Netaji Subhas Chandra Bose International Airport at 20:00 and arrives at Guwahati Lokpriya Gopinath Bordoloi International Airport at 21:10.
The flighttime is about 1h 10m. The distance travelled ("as the bird flies"): 349 Km. So the average speed is roughly 299 Km.
The best day to arrive at Kolkata is Saturday and it would be best to avoid Sunday, as prices are on average 106.95% higher than on Saturday. (Average prices, based on 195174 datapoints.)
We have a lot more statistics for flights 6E 6663 and between Kolkata and Guwahati.