AC 8461 then AC 7058 at Toronto Pearson
New York LaGuardia → Toronto → Montréal
Timetable, Toronto time
14:23AC 8461 from New York LaGuardia at the gate
09:00AC 7058 to Montréal leaves the gate
18 h 37 apart on the timetable, overnight
AC 7058 leaves 18 h 37 after AC 8461 arrives on the timetable: more than half a day, so not a connection we count.