AA 5585 then AA 2977 at Charlotte
Louisville → Charlotte → New York LaGuardia
Timetable, Charlotte time
20:41AA 5585 from Louisville at the gate
15:30AA 2977 to New York LaGuardia leaves the gate
18 h 49 apart on the timetable, overnight
AA 2977 leaves 18 h 49 after AA 5585 arrives on the timetable: more than half a day, so not a connection we count.