UA 1970 then QF 3656 at San Francisco
Cleveland → San Francisco → New York JFK
Timetable, San Francisco time
21:45UA 1970 from Cleveland at the gatealso VA 8489, NZ 9046, OZ 9526
13:50QF 3656 to New York JFK leaves the gate
16 h 05 apart on the timetable, overnight
QF 3656 leaves 16 h 05 after UA 1970 arrives on the timetable: more than half a day, so not a connection we count.