AC 812 then EC 7643 at Lisbon
Montréal → Lisbon → Zurich
Timetable, Lisbon time
06:55AC 812 from Montréal at the gate
06:05EC 7643 to Zurich leaves the gate
23 h 10 apart on the timetable, overnight
EC 7643 leaves 23 h 10 after AC 812 arrives on the timetable: more than half a day, so not a connection we count.