QF 3771 then CM 1472 at San Francisco
Los Angeles → San Francisco → Seattle
Timetable, San Francisco time
08:25QF 3771 from Los Angeles at the gate
21:05CM 1472 to Seattle leaves the gatealso UA 5579
12 h 40 apart on the timetable
CM 1472 leaves 12 h 40 after QF 3771 arrives on the timetable: more than half a day, so not a connection we count.