AA 2447 then DL 5654 at Boston
Washington National → Boston → Columbus (Ohio)
Timetable, Boston time
08:39AA 2447 from Washington National at the gate
08:16DL 5654 to Columbus (Ohio) leaves the gate
23 h 37 apart on the timetable, overnight
DL 5654 leaves 23 h 37 after AA 2447 arrives on the timetable: more than half a day, so not a connection we count.