DL 5265 then B6 1603 at JFK
Ithaca → New York → San Juan
Timetable, New York time
07:00DL 5265 from Ithaca at the gate
19:30B6 1603 to San Juan leaves the gate
12 h 30 apart on the timetable
B6 1603 leaves 12 h 30 after DL 5265 arrives on the timetable: more than half a day, so not a connection we count.