VA 8311 then QR 2091 at San Francisco
Boston → San Francisco → Santa Ana
Timetable, San Francisco time
10:59VA 8311 from Boston at the gate
09:00QR 2091 to Santa Ana leaves the gate
22 h 01 apart on the timetable, overnight
QR 2091 leaves 22 h 01 after VA 8311 arrives on the timetable: more than half a day, so not a connection we count.