UA 3772 then PR 3884 at San Francisco
Las Vegas → San Francisco → Los Angeles
Timetable, San Francisco time
22:05UA 3772 from Las Vegas at the gate
18:32PR 3884 to Los Angeles leaves the gatealso FJ 5114
20 h 27 apart on the timetable, overnight
PR 3884 leaves 20 h 27 after UA 3772 arrives on the timetable: more than half a day, so not a connection we count.