Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 09:10 and arrives at Guwahati Lokpriya Gopinath Bordoloi International Airport at 11:45.
The flighttime is about 2h 35m. The distance travelled ("as the bird flies"): 1609 Km. So the average speed is roughly 623 Km.
The best day to arrive at Delhi is Thursday and it would be best to avoid Friday, as prices are on average 119.66% higher than on Thursday. (Average prices, based on 846657 datapoints.)
We have a lot more statistics for flights IX 1186 and between Delhi and Guwahati.
