AA 4456 then DL 5647 at Boston
Indianapolis → Boston → Savannah
Timetable, Boston time
11:17AA 4456 from Indianapolis at the gate
11:06DL 5647 to Savannah leaves the gate
23 h 49 apart on the timetable, overnight
DL 5647 leaves 23 h 49 after AA 4456 arrives on the timetable: more than half a day, so not a connection we count.