UA 1970 then AF 2708 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
11:50AF 2708 to New York JFK leaves the gate
14 h 05 apart on the timetable, overnight
AF 2708 leaves 14 h 05 after UA 1970 arrives on the timetable: more than half a day, so not a connection we count.