AA 2539 then DL 3929 at LAX
Columbus (Ohio) → Los Angeles → Reno
Timetable, Los Angeles time
21:18AA 2539 from Columbus (Ohio) at the gate
20:49DL 3929 to Reno leaves the gate
23 h 31 apart on the timetable, overnight
DL 3929 leaves 23 h 31 after AA 2539 arrives on the timetable: more than half a day, so not a connection we count.