DL 1223 then AA 4460 at Atlanta
Cincinnati → Atlanta → New York LaGuardia
Timetable, Atlanta time
16:33DL 1223 from Cincinnati at the gate
14:49AA 4460 to New York LaGuardia leaves the gate
22 h 16 apart on the timetable, overnight
AA 4460 leaves 22 h 16 after DL 1223 arrives on the timetable: more than half a day, so not a connection we count.