If you go to or transfer in USA, it is better to get to Ottawa airport 2 hours earlier. This is something the travel agent should tell you. I did not have any problem when I made the same transit last March.
Note that I am Canadian citizen.
If you go to or transfer in USA, it is better to get to Ottawa airport 2 hours earlier. This is something the travel agent should tell you. I did not have any problem when I made the same transit last March.