AA 5287 then AA 1284 at Charlotte
Asheville → Charlotte → Denver
Timetable, Charlotte time
06:17AA 5287 from Asheville at the gate
18:33AA 1284 to Denver leaves the gate
12 h 16 apart on the timetable
AA 1284 leaves 12 h 16 after AA 5287 arrives on the timetable: more than half a day, so not a connection we count.