DL 452 then DL 1740 at JFK
Seattle → New York → Orlando
Timetable, New York time
07:00DL 452 from Seattle at the gate
19:25DL 1740 to Orlando leaves the gate
12 h 25 apart on the timetable
DL 1740 leaves 12 h 25 after DL 452 arrives on the timetable: more than half a day, so not a connection we count.