DL 2188 then DL 1734 at Atlanta
Detroit → Atlanta → Toronto
Timetable, Atlanta time
14:27DL 2188 from Detroit at the gate
14:07DL 1734 to Toronto leaves the gate
23 h 40 apart on the timetable, overnight
DL 1734 leaves 23 h 40 after DL 2188 arrives on the timetable: more than half a day, so not a connection we count.