DL 5684 then DL 675 at Boston
Cleveland → Boston → Kansas City
Timetable, Boston time
08:02DL 5684 from Cleveland at the gate
06:15DL 675 to Kansas City leaves the gate
22 h 13 apart on the timetable, overnight
DL 675 leaves 22 h 13 after DL 5684 arrives on the timetable: more than half a day, so not a connection we count.