B6 806 then B6 2895 at Boston
Nashville → Boston → Punta Cana
Timetable, Boston time
09:26B6 806 from Nashville at the gate
08:45B6 2895 to Punta Cana leaves the gate
23 h 19 apart on the timetable, overnight
B6 2895 leaves 23 h 19 after B6 806 arrives on the timetable: more than half a day, so not a connection we count.