AC 1955 then DL 5073 at Toronto Pearson
Quebec → Toronto → Detroit
Timetable, Toronto time
12:28AC 1955 from Quebec at the gate
09:45DL 5073 to Detroit leaves the gate
21 h 17 apart on the timetable, overnight
DL 5073 leaves 21 h 17 after AC 1955 arrives on the timetable: more than half a day, so not a connection we count.