AC 4375 then QR 8845 at San Francisco
Chicago O'Hare → San Francisco → Seattle
Timetable, San Francisco time
18:56AC 4375 from Chicago O'Hare at the gatealso NZ 9330
17:42QR 8845 to Seattle leaves the gate
22 h 46 apart on the timetable, overnight
QR 8845 leaves 22 h 46 after AC 4375 arrives on the timetable: more than half a day, so not a connection we count.