DL 556 then DL 5297 at JFK
Santa Ana → New York → Rochester
Timetable, New York time
06:00DL 556 from Santa Ana at the gate
21:16DL 5297 to Rochester leaves the gate
15 h 16 apart on the timetable
DL 5297 leaves 15 h 16 after DL 556 arrives on the timetable: more than half a day, so not a connection we count.