DL 1707 then B6 1323 at Boston
Detroit → Boston → Santiago (Dominican Republic)
Timetable, Boston time
19:49DL 1707 from Detroit at the gate
18:55B6 1323 to Santiago (Dominican Republic) leaves the gate
23 h 06 apart on the timetable, overnight
B6 1323 leaves 23 h 06 after DL 1707 arrives on the timetable: more than half a day, so not a connection we count.