SQ 1460 then AA 7502 at San Francisco
New York JFK → San Francisco → Seattle
Timetable, San Francisco time
21:37SQ 1460 from New York JFK at the gate
18:48AA 7502 to Seattle leaves the gate
21 h 11 apart on the timetable, overnight
AA 7502 leaves 21 h 11 after SQ 1460 arrives on the timetable: more than half a day, so not a connection we count.