DL 1680 then DL 586 at Atlanta
Cincinnati Northern Kentucky → Atlanta → Cancún
Timetable, Atlanta time
21:43DL 1680 from Cincinnati Northern Kentucky at the gate
09:45DL 586 to Cancún leaves the gate
12 h 02 apart on the timetable, overnight
DL 586 leaves 12 h 02 after DL 1680 arrives on the timetable: more than half a day, so not a connection we count.