AA 1922 then AA 1948 at DFW
Las Vegas → Dallas-Fort Worth → San Diego
Timetable, Dallas-Fort Worth time
19:06AA 1922 from Las Vegas at the gate
16:47AA 1948 to San Diego leaves the gate
21 h 41 apart on the timetable, overnight
AA 1948 leaves 21 h 41 after AA 1922 arrives on the timetable: more than half a day, so not a connection we count.