AA 1584 then AA 3816 at DFW
Las Vegas → Dallas-Fort Worth → Columbia Metropolitan
Timetable, Dallas-Fort Worth time
15:46AA 1584 from Las Vegas at the gate
13:15AA 3816 to Columbia Metropolitan leaves the gate
21 h 29 apart on the timetable, overnight
AA 3816 leaves 21 h 29 after AA 1584 arrives on the timetable: more than half a day, so not a connection we count.