CM 2457 then AA 7502 at San Francisco
Sacramento → San Francisco → Seattle
Timetable, San Francisco time
21:41CM 2457 from Sacramento at the gatealso AC 4533, UA 5961, VA 8183
18:48AA 7502 to Seattle leaves the gate
21 h 07 apart on the timetable, overnight
AA 7502 leaves 21 h 07 after CM 2457 arrives on the timetable: more than half a day, so not a connection we count.