DL 5356 then DL 5436 at JFK
Norfolk → New York → Syracuse
Timetable, New York time
10:00DL 5356 from Norfolk at the gate
09:44DL 5436 to Syracuse leaves the gate
23 h 44 apart on the timetable, overnight
DL 5436 leaves 23 h 44 after DL 5356 arrives on the timetable: more than half a day, so not a connection we count.