DL 1680 then AA 4478 at Atlanta
Cincinnati Northern Kentucky → Atlanta → New York LaGuardia
Timetable, Atlanta time
21:43DL 1680 from Cincinnati Northern Kentucky at the gate
12:13AA 4478 to New York LaGuardia leaves the gate
14 h 30 apart on the timetable, overnight
AA 4478 leaves 14 h 30 after DL 1680 arrives on the timetable: more than half a day, so not a connection we count.