Originally Posted by
capedreamer
As [MENTION=246364]drwilliams[/MENTION] noted, don’t think that would help. There is no separate US security for those coming from Canadian connections vs. those coming from landside.
I’m struggling to understand your first post. There is a CATSA Trusted Traveler (NEXUS/GE) security lane leading to US preclearance at YUL. Not sure what the hours are but I’ve used it weekdays during daytime hours.