DL 763 then DL 3902 at LAX
Atlanta → Los Angeles → Reno
Timetable, Los Angeles time
19:55DL 763 from Atlanta at the gate
12:51DL 3902 to Reno leaves the gate
16 h 56 apart on the timetable, overnight
DL 3902 leaves 16 h 56 after DL 763 arrives on the timetable: more than half a day, so not a connection we count.