Originally Posted by USCTrojan83

They'll meet you in the departure terminal pre-security. It honestly might just require you coordinating directly with the rep you are assigned day of (typically they text you an hour or two to confirm meeting time + location). If you're not flying on DL or a code share, they won't meet you with a Porche and escort you through customs. Something about stepping on other airline's turf.

You might also just consider booking it as a standard "departure" service, rather than a connection service, to avoid confusion.