DL 169 then DL 5630 at Boston
Barcelona → Boston → Charlotte
Timetable, Boston time
13:41DL 169 from Barcelona at the gate
11:15DL 5630 to Charlotte leaves the gate
21 h 34 apart on the timetable, overnight
DL 5630 leaves 21 h 34 after DL 169 arrives on the timetable: more than half a day, so not a connection we count.