DL 1680 then DL 466 at Atlanta
Cincinnati → Atlanta → Las Vegas
Timetable, Atlanta time
21:43DL 1680 from Cincinnati at the gate
11:00DL 466 to Las Vegas leaves the gate
13 h 17 apart on the timetable, overnight
DL 466 leaves 13 h 17 after DL 1680 arrives on the timetable: more than half a day, so not a connection we count.