AA 2290 then AA 2638 at Miami
Nashville → Miami → Punta Cana
Timetable, Miami time
09:25AA 2290 from Nashville at the gate
08:25AA 2638 to Punta Cana leaves the gate
23 h apart on the timetable, overnight
AA 2638 leaves 23 h after AA 2290 arrives on the timetable: more than half a day, so not a connection we count.