DL 1625 then DL 1682 at Atlanta
Memphis → Atlanta → Houston
Timetable, Atlanta time
10:30DL 1625 from Memphis at the gate
10:05DL 1682 to Houston leaves the gate
23 h 35 apart on the timetable, overnight
DL 1682 leaves 23 h 35 after DL 1625 arrives on the timetable: more than half a day, so not a connection we count.