AA 4456 then AA 2764 at Boston
Indianapolis → Boston → Miami (MIA)
Timetable, Boston time
11:17AA 4456 from Indianapolis at the gate
11:10AA 2764 to Miami (MIA) leaves the gate
23 h 53 apart on the timetable, overnight
AA 2764 leaves 23 h 53 after AA 4456 arrives on the timetable: more than half a day, so not a connection we count.