UA 5892 then QF 3748 at San Francisco
Monterey → San Francisco → San Diego
Timetable, San Francisco time
07:26UA 5892 from Monterey at the gate
20:00QF 3748 to San Diego leaves the gate
12 h 34 apart on the timetable
QF 3748 leaves 12 h 34 after UA 5892 arrives on the timetable: more than half a day, so not a connection we count.