AC 841 then TS 426 at Toronto Pearson
St. John's → Toronto → Cancún
Timetable, Toronto time
15:38AC 841 from St. John's at the gate
14:50TS 426 to Cancún leaves the gate
23 h 12 apart on the timetable, overnight
TS 426 leaves 23 h 12 after AC 841 arrives on the timetable: more than half a day, so not a connection we count.