B6 478 then DL 1996 at JFK
Jacksonville → New York → Orlando
Timetable, New York time
18:00B6 478 from Jacksonville at the gate
15:10DL 1996 to Orlando leaves the gate
21 h 10 apart on the timetable, overnight
DL 1996 leaves 21 h 10 after B6 478 arrives on the timetable: more than half a day, so not a connection we count.