DL 1510 then AA 9827 at Miami
Atlanta → Miami → Cincinnati
Timetable, Miami time
11:46DL 1510 from Atlanta at the gate
11:25AA 9827 to Cincinnati leaves the gate
23 h 39 apart on the timetable, overnight
AA 9827 leaves 23 h 39 after DL 1510 arrives on the timetable: more than half a day, so not a connection we count.