F9 1846 then DL 1681 at Atlanta
Cincinnati → Atlanta → Memphis
Timetable, Atlanta time
19:03F9 1846 from Cincinnati at the gate
14:26DL 1681 to Memphis leaves the gate
19 h 23 apart on the timetable, overnight
DL 1681 leaves 19 h 23 after F9 1846 arrives on the timetable: more than half a day, so not a connection we count.