UA 271 then QR 2091 at San Francisco
Washington → San Francisco → Santa Ana
Timetable, San Francisco time
12:32UA 271 from Washington at the gatealso NZ 9180
09:00QR 2091 to Santa Ana leaves the gate
20 h 28 apart on the timetable, overnight
QR 2091 leaves 20 h 28 after UA 271 arrives on the timetable: more than half a day, so not a connection we count.