DL 568 then DL 5483 at JFK
Las Vegas → New York → Jacksonville
Timetable, New York time
07:25DL 568 from Las Vegas at the gate
07:15DL 5483 to Jacksonville leaves the gate
23 h 50 apart on the timetable, overnight
DL 5483 leaves 23 h 50 after DL 568 arrives on the timetable: more than half a day, so not a connection we count.