AA 4405 then DL 5620 at Boston
Indianapolis → Boston → Cincinnati
Timetable, Boston time
17:15AA 4405 from Indianapolis at the gate
17:00DL 5620 to Cincinnati leaves the gate
23 h 45 apart on the timetable, overnight
DL 5620 leaves 23 h 45 after AA 4405 arrives on the timetable: more than half a day, so not a connection we count.