AA 1922 then AA 1771 at DFW
Las Vegas → Dallas-Fort Worth → Las Vegas
Timetable, Dallas-Fort Worth time
19:06AA 1922 from Las Vegas at the gate
18:08AA 1771 to Las Vegas leaves the gate
23 h 02 apart on the timetable, overnight
AA 1771 leaves 23 h 02 after AA 1922 arrives on the timetable: more than half a day, so not a connection we count.