Originally Posted by
OskiBear
I guess the safest thing is to arrive a day early to give yourself plenty of time to find alternate means of travel in the IRROPs. Also, if the luggage on the SEA-YVR leg is an issue, is there alternate means of transportation that isn't sensitive to the luggage? Train/Bus?
Quick Shuttle: Vancouver Seattle Schedule
I'd use this, or else go to Vancouver and spend one or two nights.