AA 3146 then AA 5429 at Charlotte
Las Vegas → Charlotte → Pensacola
Timetable, Charlotte time
06:10AA 3146 from Las Vegas at the gate
18:49AA 5429 to Pensacola leaves the gate
12 h 39 apart on the timetable
AA 5429 leaves 12 h 39 after AA 3146 arrives on the timetable: more than half a day, so not a connection we count.