AA 5021 then DL 5048 at Charlotte
St Louis → Charlotte → New York LaGuardia
Timetable, Charlotte time
19:29AA 5021 from St Louis at the gate
17:00DL 5048 to New York LaGuardia leaves the gate
21 h 31 apart on the timetable, overnight
DL 5048 leaves 21 h 31 after AA 5021 arrives on the timetable: more than half a day, so not a connection we count.