DL 1874 then DL 1891 at Houston
Atlanta → Houston → Detroit
Timetable, Houston time
15:47DL 1874 from Atlanta at the gate
15:32DL 1891 to Detroit leaves the gate
23 h 45 apart on the timetable, overnight
DL 1891 leaves 23 h 45 after DL 1874 arrives on the timetable: more than half a day, so not a connection we count.