B6 616 then DL 5103 at JFK
San Francisco → New York → Raleigh-Durham
Timetable, New York time
07:24B6 616 from San Francisco at the gate
19:30DL 5103 to Raleigh-Durham leaves the gate
12 h 06 apart on the timetable
DL 5103 leaves 12 h 06 after B6 616 arrives on the timetable: more than half a day, so not a connection we count.