DL 4099 then UA 1962 at LAX
Reno → Los Angeles → Washington
Timetable, Los Angeles time
13:52DL 4099 from Reno at the gate
13:15UA 1962 to Washington leaves the gate
23 h 23 apart on the timetable, overnight
UA 1962 leaves 23 h 23 after DL 4099 arrives on the timetable: more than half a day, so not a connection we count.