Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 14:00 and arrives at Guwahati Lokpriya Gopinath Bordoloi International Airport at 16:35.
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 Monday and it would be best to avoid Thursday, as prices are on average 41.99% higher than on Monday. (Average prices, based on 856428 datapoints.)
We have a lot more statistics for flights IX 1287 and between Delhi and Guwahati.