DL 5653 then SK 928 at Boston
Columbus (Ohio) → Boston → Copenhagen
Timetable, Boston time
19:42DL 5653 from Columbus (Ohio) at the gate
17:35SK 928 to Copenhagen leaves the gate
21 h 53 apart on the timetable, overnight
SK 928 leaves 21 h 53 after DL 5653 arrives on the timetable: more than half a day, so not a connection we count.