AC 873 then AC 7058 at Toronto Pearson
Paris Charles de Gaulle → Toronto → Montréal
Timetable, Toronto time
14:35AC 873 from Paris Charles de Gaulle at the gate
09:00AC 7058 to Montréal leaves the gate
18 h 25 apart on the timetable, overnight
AC 7058 leaves 18 h 25 after AC 873 arrives on the timetable: more than half a day, so not a connection we count.