AA 818 then AA 5875 at Charlotte
Austin → Charlotte → Greensboro
Timetable, Charlotte time
16:47AA 818 from Austin at the gate
11:10AA 5875 to Greensboro leaves the gate
18 h 23 apart on the timetable, overnight
AA 5875 leaves 18 h 23 after AA 818 arrives on the timetable: more than half a day, so not a connection we count.