AA 5992 then AA 535 at Charlotte
Tri-Cities → Charlotte → Chicago O'Hare
Timetable, Charlotte time
08:25AA 5992 from Tri-Cities at the gate
21:11AA 535 to Chicago O'Hare leaves the gate
12 h 46 apart on the timetable
AA 535 leaves 12 h 46 after AA 5992 arrives on the timetable: more than half a day, so not a connection we count.