DL 2847 then DL 5685 at JFK
New Orleans → New York → Pittsburgh
Timetable, New York time
15:27DL 2847 from New Orleans at the gate
15:15DL 5685 to Pittsburgh leaves the gate
23 h 48 apart on the timetable, overnight
DL 5685 leaves 23 h 48 after DL 2847 arrives on the timetable: more than half a day, so not a connection we count.