Originally Posted by
Dave Noble
Going via YYZ doesn't actually seem a non optimal routing ; connecting in Toronto will just be a simple international connection and all formalities will have been completed in Miami; looks like it can be done with a 2 hour connection time in Toronto
I wouldn't be relying on that unless there is a change to the Cathay flight.
YYZ I-I transit only apply to T1-T1 connection. Since both CX and AA uses T3, one has to clear Canadian border and records security etc