BA 8383 then CM 1472 at San Francisco
New York JFK → San Francisco → Seattle
Timetable, San Francisco time
21:37BA 8383 from New York JFK at the gate
21:05CM 1472 to Seattle leaves the gatealso UA 5579
23 h 28 apart on the timetable, overnight
CM 1472 leaves 23 h 28 after BA 8383 arrives on the timetable: more than half a day, so not a connection we count.