AA 1121 then AA 3268 at Charlotte
Los Angeles → Charlotte → Punta Cana
Timetable, Charlotte time
15:44AA 1121 from Los Angeles at the gate
07:10AA 3268 to Punta Cana leaves the gate
15 h 26 apart on the timetable, overnight
AA 3268 leaves 15 h 26 after AA 1121 arrives on the timetable: more than half a day, so not a connection we count.