Originally Posted by
Smiley90
I mean, you enter the International terminal instead of the transborder terminal, so that should be a good clue that you can use the lounges in the International terminal. You literally go somewhere different haha.
The downside is that you don't get pre-clearance as the reason for this is that CBP is closed, so you land in international arrivals instead of domestic in the US

Yeah but generally speaking, not many US-bound flights leave from the international terminal. Only a handful leave after 6-7pm when the preclearance border closes.
It's just noticeable in the summer now, because of all the seasonal flights.