DL 5356 then B6 1107 at JFK
Norfolk → New York → London Heathrow
Timetable, New York time
10:00DL 5356 from Norfolk at the gate
09:26B6 1107 to London Heathrow leaves the gate
23 h 26 apart on the timetable, overnight
B6 1107 leaves 23 h 26 after DL 5356 arrives on the timetable: more than half a day, so not a connection we count.