Originally Posted by
epiphani
What about US->US? I think I've only done that once, personally.. but I didn't need to clear canadian customs, only a quick pass through US customs. Are international connections (elsewhere->yyz->USA) subjected to both Canadian, US customs and a security re-check?
I would think that connecting pax should just go through US customs only. I mean, logically, sure - but maybe not currently.
US->US is not actually a valid ticket on AC.