UA 214 then QR 2145 at San Francisco
St Louis → San Francisco → Portland (Oregon)
Timetable, San Francisco time
21:41UA 214 from St Louis at the gatealso OZ 6344, NZ 9701
14:47QR 2145 to Portland (Oregon) leaves the gate
17 h 06 apart on the timetable, overnight
QR 2145 leaves 17 h 06 after UA 214 arrives on the timetable: more than half a day, so not a connection we count.