DL 5903 then DL 5688 at Charlotte
Indianapolis → Charlotte → New York LaGuardia
Timetable, Charlotte time
17:30DL 5903 from Indianapolis at the gate
11:58DL 5688 to New York LaGuardia leaves the gate
18 h 28 apart on the timetable, overnight
DL 5688 leaves 18 h 28 after DL 5903 arrives on the timetable: more than half a day, so not a connection we count.