DL 1680 then AA 2891 at Atlanta
Cincinnati → Atlanta → Miami
Timetable, Atlanta time
21:43DL 1680 from Cincinnati at the gate
10:37AA 2891 to Miami leaves the gate
12 h 54 apart on the timetable, overnight
AA 2891 leaves 12 h 54 after DL 1680 arrives on the timetable: more than half a day, so not a connection we count.