AA 1922 then AA 3612 at DFW
Las Vegas → Dallas-Fort Worth → Oklahoma City
Timetable, Dallas-Fort Worth time
19:06AA 1922 from Las Vegas at the gate
18:20AA 3612 to Oklahoma City leaves the gate
23 h 14 apart on the timetable, overnight
AA 3612 leaves 23 h 14 after AA 1922 arrives on the timetable: more than half a day, so not a connection we count.