BA 8341 then QR 8845 at San Francisco
New York JFK → San Francisco → Seattle
Timetable, San Francisco time
23:54BA 8341 from New York JFK at the gate
20:58QR 8845 to Seattle leaves the gate
21 h 04 apart on the timetable, overnight
QR 8845 leaves 21 h 04 after BA 8341 arrives on the timetable: more than half a day, so not a connection we count.