AA 2821 then AA 1454 at Charlotte
Phoenix → Charlotte → Las Vegas
Timetable, Charlotte time
05:00AA 2821 from Phoenix at the gate
17:09AA 1454 to Las Vegas leaves the gate
12 h 09 apart on the timetable
AA 1454 leaves 12 h 09 after AA 2821 arrives on the timetable: more than half a day, so not a connection we count.