AA 5878 then AA 1847 at Charlotte
Salisbury → Charlotte → Austin
Timetable, Charlotte time
07:57AA 5878 from Salisbury at the gate
20:28AA 1847 to Austin leaves the gate
12 h 31 apart on the timetable
AA 1847 leaves 12 h 31 after AA 5878 arrives on the timetable: more than half a day, so not a connection we count.