WS 6161 then QF 3654 at San Francisco
Mexico City → San Francisco → New York JFK
Timetable, San Francisco time
12:38WS 6161 from Mexico City at the gate
07:00QF 3654 to New York JFK leaves the gate
18 h 22 apart on the timetable, overnight
QF 3654 leaves 18 h 22 after WS 6161 arrives on the timetable: more than half a day, so not a connection we count.