Originally Posted by
Colin
What's the point of US Immigration pre-clearance when you still have to be processed through US Customs upon arrival into the US?? It's not like DUB-ORD would arrive at a T3 gate if passengers were immigrations pre-cleared.
Are you sure? I think this is the way pre-cleared flights from Canada work.
I pre-cleared when I flew from Vancouver a couple of years ago and don't remember leaving the secure area when I connected in SEA.