Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 10:15 and arrives at Guwahati Lokpriya Gopinath Bordoloi International Airport at 12:35.
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 Tuesday and it would be best to avoid Monday, as prices are on average 301.82% higher than on Tuesday. (Average prices, based on 709405 datapoints.)
We have a lot more statistics for flights SG 9487 and between Delhi and Guwahati.