AZ 4441 then QR 2134 at San Francisco
Washington → San Francisco → Boise
Timetable, San Francisco time
21:29AZ 4441 from Washington at the gate
18:47QR 2134 to Boise leaves the gate
21 h 18 apart on the timetable, overnight
QR 2134 leaves 21 h 18 after AZ 4441 arrives on the timetable: more than half a day, so not a connection we count.