UA 367 then QR 3391 at San Francisco
Washington → San Francisco → Everett
Timetable, San Francisco time
01:29UA 367 from Washington at the gate
15:20QR 3391 to Everett leaves the gate
13 h 51 apart on the timetable
QR 3391 leaves 13 h 51 after UA 367 arrives on the timetable: more than half a day, so not a connection we count.