AA 4981 then DL 3929 at LAX
Tucson → Los Angeles → Reno
Timetable, Los Angeles time
20:41AA 4981 from Tucson at the gate
20:08DL 3929 to Reno leaves the gate
23 h 27 apart on the timetable, overnight
DL 3929 leaves 23 h 27 after AA 4981 arrives on the timetable: more than half a day, so not a connection we count.