Originally Posted by N830MH
You mean in BIL has been lost customs & Immigrations status around 2001? I don't quite understand what happen to them after 9/11. Does status will change back to normal business go to through customs & Immigrations during international flight from Canada. It doesn't get worse for pax get on the flight to Canada. It is during the flight to/from Canada must go to customs in BIL.
Uh, you clear US homeland security in YYC (yes, IN Canada) and you obviously clear Canada Customs in YYC.