The best day to arrive at Delhi is Sunday and it would be best to avoid Tuesday, as prices are on average 403.58% higher than on Sunday. (Average prices, based on 709338 datapoints.)
MondayTHB 4.273
Mon
TuesdayTHB 7.556
Tue
WednesdayTHB 3.774
Wed
ThursdayTHB 2.595
Thu
FridayTHB 2.465
Fri
SaturdayTHB 4.318
Sat
SundayTHB 1.500
Sun
Analyse direct flights between Delhi and Guwahati.