DL 446 then DL 5297 at JFK
San Juan → New York → Rochester
Timetable, New York time
21:25DL 446 from San Juan at the gate
21:16DL 5297 to Rochester leaves the gate
23 h 51 apart on the timetable, overnight
DL 5297 leaves 23 h 51 after DL 446 arrives on the timetable: more than half a day, so not a connection we count.