AA 5955 then AA 1284 at Charlotte
Huntington → Charlotte → Denver
Timetable, Charlotte time
06:24AA 5955 from Huntington at the gate
18:33AA 1284 to Denver leaves the gate
12 h 09 apart on the timetable
AA 1284 leaves 12 h 09 after AA 5955 arrives on the timetable: more than half a day, so not a connection we count.