DL 2157 then DL 2398 at Atlanta
Charlotte → Atlanta → New York JFK
Timetable, Atlanta time
15:40DL 2157 from Charlotte at the gate
15:16DL 2398 to New York JFK leaves the gate
23 h 36 apart on the timetable, overnight
DL 2398 leaves 23 h 36 after DL 2157 arrives on the timetable: more than half a day, so not a connection we count.