AA 2371 then DL 1669 at Detroit
Charlotte → Detroit → New York LaGuardia
Timetable, Detroit time
23:39AA 2371 from Charlotte at the gate
12:15DL 1669 to New York LaGuardia leaves the gate
12 h 36 apart on the timetable, overnight
DL 1669 leaves 12 h 36 after AA 2371 arrives on the timetable: more than half a day, so not a connection we count.