AA 1877 then AA 1454 at Charlotte
Providence → Charlotte → Las Vegas
Timetable, Charlotte time
17:44AA 1877 from Providence at the gate
16:08AA 1454 to Las Vegas leaves the gate
22 h 24 apart on the timetable, overnight
AA 1454 leaves 22 h 24 after AA 1877 arrives on the timetable: more than half a day, so not a connection we count.