QF 3657 then BA 7545 at San Francisco
New York JFK → San Francisco → Seattle
Timetable, San Francisco time
23:59QF 3657 from New York JFK at the gate
20:58BA 7545 to Seattle leaves the gate
20 h 59 apart on the timetable, overnight
BA 7545 leaves 20 h 59 after QF 3657 arrives on the timetable: more than half a day, so not a connection we count.