AC 118 then AC 8263 at Toronto Pearson
Vancouver → Toronto → London (YXU)
Timetable, Toronto time
23:59AC 118 from Vancouver at the gate
19:35AC 8263 to London (YXU) leaves the gate
19 h 36 apart on the timetable, overnight
AC 8263 leaves 19 h 36 after AC 118 arrives on the timetable: more than half a day, so not a connection we count.