AA 5845 then AA 1284 at Charlotte
Tri-Cities → Charlotte → Denver
Timetable, Charlotte time
06:30AA 5845 from Tri-Cities at the gate
18:33AA 1284 to Denver leaves the gate
12 h 03 apart on the timetable
AA 1284 leaves 12 h 03 after AA 5845 arrives on the timetable: more than half a day, so not a connection we count.