UA 2313 then VA 8546 at San Francisco
San José (Costa Rica) → San Francisco → Los Angeles
Timetable, San Francisco time
14:42UA 2313 from San José (Costa Rica) at the gate
06:00VA 8546 to Los Angeles leaves the gate
15 h 18 apart on the timetable, overnight
VA 8546 leaves 15 h 18 after UA 2313 arrives on the timetable: more than half a day, so not a connection we count.