DL 1581 then DL 2709 at Houston
Detroit → Houston → Atlanta
Timetable, Houston time
10:27DL 1581 from Detroit at the gate
08:05DL 2709 to Atlanta leaves the gate
21 h 38 apart on the timetable, overnight
DL 2709 leaves 21 h 38 after DL 1581 arrives on the timetable: more than half a day, so not a connection we count.