UA 345 then UA 2409 at San Francisco
Las Vegas → San Francisco → Los Angeles
Timetable, San Francisco time
19:58UA 345 from Las Vegas at the gatealso CM 1891, UA 2721, AC 3110, NZ 9241
19:51UA 2409 to Los Angeles leaves the gatealso VA 8054, NZ 9251
23 h 53 apart on the timetable, overnight
UA 2409 leaves 23 h 53 after UA 345 arrives on the timetable: more than half a day, so not a connection we count.