Originally Posted by
emma dog
I'm sorry, but this is not right. You are dumped into the terminal, but your bags to the International F terminal as you exit customs. I highlighted the claim in yellow.

i
I have flown this route more than 100 times. You do Customs at YUL. You land in ATL as a regular domestic passenger and take the train to F to claim your luggage at international baggage claim. There is one carousel for all pre-cleared flights.