UA 548 then QR 2091 at San Francisco
Newark → San Francisco → Santa Ana
Timetable, San Francisco time
13:38UA 548 from Newark at the gatealso VA 8166, NZ 9128
09:00QR 2091 to Santa Ana leaves the gate
19 h 22 apart on the timetable, overnight
QR 2091 leaves 19 h 22 after UA 548 arrives on the timetable: more than half a day, so not a connection we count.