DL 1507 then DL 1734 at Atlanta
Tri-Cities → Atlanta → Toronto
Timetable, Atlanta time
15:02DL 1507 from Tri-Cities at the gate
14:07DL 1734 to Toronto leaves the gate
23 h 05 apart on the timetable, overnight
DL 1734 leaves 23 h 05 after DL 1507 arrives on the timetable: more than half a day, so not a connection we count.