Originally Posted by OccasionallyFlying

If your flight is leaving out of D Gates i.e. the J8 flight to JFK or UA’s 11pm flights, you can just follow the signs for “International Connections(D)” and head straight to your gate. DOM->INTL connections don’t require an additional security check so your TTP status is irrelevant.

If your flight leaves the next morning i.e. 6am departures, YVR does not allow overnight connections under any circumstances and you must exit to landslide and head through E Gate security landside at 4am, when it opens.