AA 6003 then AA 5875 at Charlotte
Huntsville → Charlotte → Greensboro
Timetable, Charlotte time
18:19AA 6003 from Huntsville at the gate
11:10AA 5875 to Greensboro leaves the gate
16 h 51 apart on the timetable, overnight
AA 5875 leaves 16 h 51 after AA 6003 arrives on the timetable: more than half a day, so not a connection we count.