AA 1922 then AA 5393 at DFW
Las Vegas → Dallas-Fort Worth → Knoxville
Timetable, Dallas-Fort Worth time
19:06AA 1922 from Las Vegas at the gate
16:15AA 5393 to Knoxville leaves the gate
21 h 09 apart on the timetable, overnight
AA 5393 leaves 21 h 09 after AA 1922 arrives on the timetable: more than half a day, so not a connection we count.