UA 2328 then QF 3741 at San Francisco
Vancouver → San Francisco → San Diego
Timetable, San Francisco time
09:29UA 2328 from Vancouver at the gatealso AC 5110, NH 7395, NZ 9876
07:04QF 3741 to San Diego leaves the gate
21 h 35 apart on the timetable, overnight
QF 3741 leaves 21 h 35 after UA 2328 arrives on the timetable: more than half a day, so not a connection we count.