DL 1733 then DL 2398 at Atlanta
Detroit → Atlanta → New York JFK
Timetable, Atlanta time
18:06DL 1733 from Detroit at the gate
15:16DL 2398 to New York JFK leaves the gate
21 h 10 apart on the timetable, overnight
DL 2398 leaves 21 h 10 after DL 1733 arrives on the timetable: more than half a day, so not a connection we count.