CA 7294 then QR 3410 at San Francisco
Chicago O'Hare → San Francisco → Santa Ana
Timetable, San Francisco time
08:47CA 7294 from Chicago O'Hare at the gate
20:52QR 3410 to Santa Ana leaves the gate
12 h 05 apart on the timetable
QR 3410 leaves 12 h 05 after CA 7294 arrives on the timetable: more than half a day, so not a connection we count.