Originally Posted by
cj001f
GOI personnel have to fly AI though

Which now that I remember that is I'm sure a large reason why they are now flying to IAD
Indeed they usually have to fly AI if AI serves the route.
Still, except for purposes of special items transport, I don't see the great utility for the Indian government passengers in AI's operating continuing service between JFK and IAD as the flight is too short to be anything special and the more senior Indian government officials would ordinarily prefer DCA to IAD when having to be in DC itself.
At least AI's service -- at least on the non-stop that is -- for trips between DEL and JFK is much better than it used to be.