CM 2457 then QF 3669 at San Francisco
Sacramento → San Francisco → Seattle
Timetable, San Francisco time
21:41CM 2457 from Sacramento at the gatealso UA 5961, VA 8183, NZ 9675
17:42QF 3669 to Seattle leaves the gate
20 h 01 apart on the timetable, overnight
QF 3669 leaves 20 h 01 after CM 2457 arrives on the timetable: more than half a day, so not a connection we count.