TS 939 then AC 2036 at Montréal
Cancún → Montréal → Sydney
Timetable, Montréal time
00:40TS 939 from Cancún at the gate
21:30AC 2036 to Sydney leaves the gate
20 h 50 apart on the timetable
AC 2036 leaves 20 h 50 after TS 939 arrives on the timetable: more than half a day, so not a connection we count.