AA 580 then AA 1847 at Charlotte
Seattle → Charlotte → Austin
Timetable, Charlotte time
20:43AA 580 from Seattle at the gate
20:40AA 1847 to Austin leaves the gate
23 h 57 apart on the timetable, overnight
AA 1847 leaves 23 h 57 after AA 580 arrives on the timetable: more than half a day, so not a connection we count.