AA 4788 then DL 5654 at Boston
Buffalo → Boston → Columbus (Ohio)
Timetable, Boston time
08:36AA 4788 from Buffalo at the gate
08:16DL 5654 to Columbus (Ohio) leaves the gate
23 h 40 apart on the timetable, overnight
DL 5654 leaves 23 h 40 after AA 4788 arrives on the timetable: more than half a day, so not a connection we count.