AA 1922 then AA 1687 at DFW
Las Vegas → Dallas-Fort Worth → Los Angeles
Timetable, Dallas-Fort Worth time
19:06AA 1922 from Las Vegas at the gate
15:16AA 1687 to Los Angeles leaves the gate
20 h 10 apart on the timetable, overnight
AA 1687 leaves 20 h 10 after AA 1922 arrives on the timetable: more than half a day, so not a connection we count.