AA 1922 then AA 1761 at DFW
Las Vegas → Dallas-Fort Worth → Pittsburgh
Timetable, Dallas-Fort Worth time
19:06AA 1922 from Las Vegas at the gate
18:56AA 1761 to Pittsburgh leaves the gate
23 h 50 apart on the timetable, overnight
AA 1761 leaves 23 h 50 after AA 1922 arrives on the timetable: more than half a day, so not a connection we count.