AA 5071 then AA 1916 at Charlotte
Cedar Rapids → Charlotte → Las Vegas
Timetable, Charlotte time
18:18AA 5071 from Cedar Rapids at the gate
18:17AA 1916 to Las Vegas leaves the gate
23 h 59 apart on the timetable, overnight
AA 1916 leaves 23 h 59 after AA 5071 arrives on the timetable: more than half a day, so not a connection we count.