DL 2976 then DL 1734 at Atlanta
Austin → Atlanta → Toronto
Timetable, Atlanta time
14:10DL 2976 from Austin at the gate
14:07DL 1734 to Toronto leaves the gate
23 h 57 apart on the timetable, overnight
DL 1734 leaves 23 h 57 after DL 2976 arrives on the timetable: more than half a day, so not a connection we count.