DL 1020 then DL 5836 at Boston
Washington National → Boston → Norfolk
Timetable, Boston time
08:35DL 1020 from Washington National at the gate
08:25DL 5836 to Norfolk leaves the gate
23 h 50 apart on the timetable, overnight
DL 5836 leaves 23 h 50 after DL 1020 arrives on the timetable: more than half a day, so not a connection we count.