DL 1509 then DL 1005 at Atlanta
Houston Hobby → Atlanta → Detroit
Timetable, Atlanta time
13:18DL 1509 from Houston Hobby at the gate
08:30DL 1005 to Detroit leaves the gate
19 h 12 apart on the timetable, overnight
DL 1005 leaves 19 h 12 after DL 1509 arrives on the timetable: more than half a day, so not a connection we count.