AA 1878 then AA 1355 at DFW
Salt Lake City → Dallas-Fort Worth → Oklahoma City
Timetable, Dallas-Fort Worth time
15:23AA 1878 from Salt Lake City at the gate
13:11AA 1355 to Oklahoma City leaves the gate
21 h 48 apart on the timetable, overnight
AA 1355 leaves 21 h 48 after AA 1878 arrives on the timetable: more than half a day, so not a connection we count.