B6 654 then DL 1655 at Boston
Providenciales → Boston → San Francisco
Timetable, Boston time
16:51B6 654 from Providenciales at the gate
16:50DL 1655 to San Francisco leaves the gate
23 h 59 apart on the timetable, overnight
DL 1655 leaves 23 h 59 after B6 654 arrives on the timetable: more than half a day, so not a connection we count.