AC 7801 then DL 2629 at Montréal
Zurich → Montréal → Atlanta
Timetable, Montréal time
13:27AC 7801 from Zurich at the gate
12:44DL 2629 to Atlanta leaves the gate
23 h 17 apart on the timetable, overnight
DL 2629 leaves 23 h 17 after AC 7801 arrives on the timetable: more than half a day, so not a connection we count.