DL 9979 then DL 524 at Atlanta
Detroit → Atlanta → New York LaGuardia
Timetable, Atlanta time
15:41DL 9979 from Detroit at the gate
14:30DL 524 to New York LaGuardia leaves the gate
22 h 49 apart on the timetable, overnight
DL 524 leaves 22 h 49 after DL 9979 arrives on the timetable: more than half a day, so not a connection we count.