UA 5397 then QR 3422 at San Francisco
Eugene → San Francisco → San Diego
Timetable, San Francisco time
15:35UA 5397 from Eugene at the gatealso OZ 6325
07:04QR 3422 to San Diego leaves the gate
15 h 29 apart on the timetable, overnight
QR 3422 leaves 15 h 29 after UA 5397 arrives on the timetable: more than half a day, so not a connection we count.