AA 1620 then AA 3763 at DFW
Las Vegas → Dallas-Fort Worth → Houston Hobby
Timetable, Dallas-Fort Worth time
21:47AA 1620 from Las Vegas at the gate
21:20AA 3763 to Houston Hobby leaves the gate
23 h 33 apart on the timetable, overnight
AA 3763 leaves 23 h 33 after AA 1620 arrives on the timetable: more than half a day, so not a connection we count.