Originally Posted by
QRC3288
Also, fyi there is no A350-1000 to anywhere in the USA except SFO for now. IAD had it briefly at launch but it was quickly downsized. For US East Coast: A359 serves EWR amd IAD. 77A/H flies to BOS and JFK. There is presently no easy coast 77G/77K service, nor A350-1000 service.
Schedules currently show the A350-1000 to IAD starting on 13 June, perhaps OP is looking to travel after it switches.