BA 6447 then UA 581 at San Francisco
Los Angeles → San Francisco → Reno
Timetable, San Francisco time
19:10BA 6447 from Los Angeles at the gate
18:55UA 581 to Reno leaves the gate
23 h 45 apart on the timetable, overnight
UA 581 leaves 23 h 45 after BA 6447 arrives on the timetable: more than half a day, so not a connection we count.