UA 2763 then DL 5676 at Boston
Newark → Boston → Richmond
Timetable, Boston time
18:34UA 2763 from Newark at the gate
18:10DL 5676 to Richmond leaves the gate
23 h 36 apart on the timetable, overnight
DL 5676 leaves 23 h 36 after UA 2763 arrives on the timetable: more than half a day, so not a connection we count.