SQ 1460 then OZ 6401 at San Francisco
New York JFK → San Francisco → Seattle
Timetable, San Francisco time
21:37SQ 1460 from New York JFK at the gate
16:17OZ 6401 to Seattle leaves the gate
18 h 40 apart on the timetable, overnight
OZ 6401 leaves 18 h 40 after SQ 1460 arrives on the timetable: more than half a day, so not a connection we count.