DL 2847 then DL 4907 at JFK
New Orleans → New York → Chicago O'Hare
Timetable, New York time
15:27DL 2847 from New Orleans at the gate
15:24DL 4907 to Chicago O'Hare leaves the gate
23 h 57 apart on the timetable, overnight
DL 4907 leaves 23 h 57 after DL 2847 arrives on the timetable: more than half a day, so not a connection we count.