B6 816 then DL 5699 at JFK
San Francisco → New York → Washington National
Timetable, New York time
00:56B6 816 from San Francisco at the gate
15:00DL 5699 to Washington National leaves the gate
14 h 04 apart on the timetable
DL 5699 leaves 14 h 04 after B6 816 arrives on the timetable: more than half a day, so not a connection we count.