AA 1121 then AA 6131 at Charlotte
Los Angeles → Charlotte → Jacksonville (North Carolina)
Timetable, Charlotte time
15:44AA 1121 from Los Angeles at the gate
15:42AA 6131 to Jacksonville (North Carolina) leaves the gate
23 h 58 apart on the timetable, overnight
AA 6131 leaves 23 h 58 after AA 1121 arrives on the timetable: more than half a day, so not a connection we count.