DL 2847 then DL 2500 at JFK
New Orleans → New York → Miami
Timetable, New York time
15:27DL 2847 from New Orleans at the gate
15:25DL 2500 to Miami leaves the gate
23 h 58 apart on the timetable, overnight
DL 2500 leaves 23 h 58 after DL 2847 arrives on the timetable: more than half a day, so not a connection we count.