AA 3153 then AA 1454 at Charlotte
Omaha → Charlotte → Las Vegas
Timetable, Charlotte time
16:25AA 3153 from Omaha at the gate
16:08AA 1454 to Las Vegas leaves the gate
23 h 43 apart on the timetable, overnight
AA 1454 leaves 23 h 43 after AA 3153 arrives on the timetable: more than half a day, so not a connection we count.