DL 2648 then DL 5630 at Boston
Detroit → Boston → Charlotte
Timetable, Boston time
11:53DL 2648 from Detroit at the gate
11:15DL 5630 to Charlotte leaves the gate
23 h 22 apart on the timetable, overnight
DL 5630 leaves 23 h 22 after DL 2648 arrives on the timetable: more than half a day, so not a connection we count.