SQ 32 then QR 8874 at San Francisco
Singapore → San Francisco → Portland (Oregon)
Timetable, San Francisco time
07:50SQ 32 from Singapore at the gate
07:42QR 8874 to Portland (Oregon) leaves the gate
23 h 52 apart on the timetable, overnight
QR 8874 leaves 23 h 52 after SQ 32 arrives on the timetable: more than half a day, so not a connection we count.