SQ 1543 then AA 3035 at San Francisco
New York JFK → San Francisco → Philadelphia
Timetable, San Francisco time
19:31SQ 1543 from New York JFK at the gate
15:14AA 3035 to Philadelphia leaves the gatealso FJ 5025
19 h 43 apart on the timetable, overnight
AA 3035 leaves 19 h 43 after SQ 1543 arrives on the timetable: more than half a day, so not a connection we count.