AA 1922 then AA 3889 at DFW
Las Vegas → Dallas-Fort Worth → Monterrey
Timetable, Dallas-Fort Worth time
19:06AA 1922 from Las Vegas at the gate
16:43AA 3889 to Monterrey leaves the gate
21 h 37 apart on the timetable, overnight
AA 3889 leaves 21 h 37 after AA 1922 arrives on the timetable: more than half a day, so not a connection we count.