AA 1824 then DL 3929 at LAX
Las Vegas → Los Angeles → Reno
Timetable, Los Angeles time
20:47AA 1824 from Las Vegas at the gate
20:08DL 3929 to Reno leaves the gate
23 h 21 apart on the timetable, overnight
DL 3929 leaves 23 h 21 after AA 1824 arrives on the timetable: more than half a day, so not a connection we count.