DL 1668 then DL 2398 at Atlanta
Indianapolis → Atlanta → New York JFK
Timetable, Atlanta time
22:00DL 1668 from Indianapolis at the gate
15:16DL 2398 to New York JFK leaves the gate
17 h 16 apart on the timetable, overnight
DL 2398 leaves 17 h 16 after DL 1668 arrives on the timetable: more than half a day, so not a connection we count.