AC 842 then 4Y 10 at Frankfurt
Toronto → Frankfurt am Main → Cancún
Timetable, Frankfurt am Main time
11:10AC 842 from Toronto at the gate
10:104Y 10 to Cancún leaves the gate
23 h apart on the timetable, overnight
4Y 10 leaves 23 h after AC 842 arrives on the timetable: more than half a day, so not a connection we count.