AC 3340 then QR 2091 at San Francisco
Portland (Oregon) → San Francisco → Santa Ana
Timetable, San Francisco time
12:58AC 3340 from Portland (Oregon) at the gate
09:00QR 2091 to Santa Ana leaves the gate
20 h 02 apart on the timetable, overnight
QR 2091 leaves 20 h 02 after AC 3340 arrives on the timetable: more than half a day, so not a connection we count.