B6 562 then DL 5622 at Boston
San Juan → Boston → Richmond
Timetable, Boston time
10:13B6 562 from San Juan at the gate
08:47DL 5622 to Richmond leaves the gate
22 h 34 apart on the timetable, overnight
DL 5622 leaves 22 h 34 after B6 562 arrives on the timetable: more than half a day, so not a connection we count.