DL 763 then WN 1644 at LAX
Atlanta → Los Angeles → Reno
Timetable, Los Angeles time
19:55DL 763 from Atlanta at the gate
14:50WN 1644 to Reno leaves the gate
18 h 55 apart on the timetable, overnight
WN 1644 leaves 18 h 55 after DL 763 arrives on the timetable: more than half a day, so not a connection we count.