YP 111 then QR 2091 at San Francisco
Seoul → San Francisco → Santa Ana
Timetable, San Francisco time
13:20YP 111 from Seoul at the gate
09:00QR 2091 to Santa Ana leaves the gate
19 h 40 apart on the timetable, overnight
QR 2091 leaves 19 h 40 after YP 111 arrives on the timetable: more than half a day, so not a connection we count.