AA 2445 then AA 5585 at Charlotte
Houston → Charlotte → Roanoke
Timetable, Charlotte time
14:50AA 2445 from Houston at the gate
11:30AA 5585 to Roanoke leaves the gate
20 h 40 apart on the timetable, overnight
AA 5585 leaves 20 h 40 after AA 2445 arrives on the timetable: more than half a day, so not a connection we count.