SQ 1460 then BA 2947 at San Francisco
New York JFK → San Francisco → Seattle
Timetable, San Francisco time
21:37SQ 1460 from New York JFK at the gate
17:42BA 2947 to Seattle leaves the gate
20 h 05 apart on the timetable, overnight
BA 2947 leaves 20 h 05 after SQ 1460 arrives on the timetable: more than half a day, so not a connection we count.