AA 1922 then AA 3860 at DFW
Las Vegas → Dallas-Fort Worth → Lubbock
Timetable, Dallas-Fort Worth time
19:06AA 1922 from Las Vegas at the gate
18:07AA 3860 to Lubbock leaves the gate
23 h 01 apart on the timetable, overnight
AA 3860 leaves 23 h 01 after AA 1922 arrives on the timetable: more than half a day, so not a connection we count.