AA 487 then AA 2281 at Miami
Nashville → Miami → South Bend
Timetable, Miami time
20:06AA 487 from Nashville at the gate
08:10AA 2281 to South Bend leaves the gate
12 h 04 apart on the timetable, overnight
AA 2281 leaves 12 h 04 after AA 487 arrives on the timetable: more than half a day, so not a connection we count.