AA 1878 then AA 3816 at DFW
Salt Lake City → Dallas-Fort Worth → Columbia Metropolitan
Timetable, Dallas-Fort Worth time
15:23AA 1878 from Salt Lake City at the gate
13:15AA 3816 to Columbia Metropolitan leaves the gate
21 h 52 apart on the timetable, overnight
AA 3816 leaves 21 h 52 after AA 1878 arrives on the timetable: more than half a day, so not a connection we count.