AA 5585 then DL 5048 at Charlotte
Louisville → Charlotte → New York LaGuardia
Timetable, Charlotte time
19:21AA 5585 from Louisville at the gate
17:00DL 5048 to New York LaGuardia leaves the gate
21 h 39 apart on the timetable, overnight
DL 5048 leaves 21 h 39 after AA 5585 arrives on the timetable: more than half a day, so not a connection we count.