Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 14:55 and arrives at Guwahati Lokpriya Gopinath Bordoloi International Airport at 17:15.
The flighttime is about 2h 20m. The distance travelled ("as the bird flies"): 1609 Km. So the average speed is roughly 690 Km.
The best day to arrive at Delhi is Saturday and it would be best to avoid Sunday, as prices are on average 141.77% higher than on Saturday. (Average prices, based on 810635 datapoints.)
We have a lot more statistics for flights 6E 2038 and between Delhi and Guwahati.
