WN 3608 then UA 2019 at LAX
Oakland → Los Angeles → San Francisco
Timetable, Los Angeles time
08:40WN 3608 from Oakland at the gate
21:10UA 2019 to San Francisco leaves the gate
12 h 30 apart on the timetable
UA 2019 leaves 12 h 30 after WN 3608 arrives on the timetable: more than half a day, so not a connection we count.