SK 935 then UA 581 at San Francisco
Copenhagen → San Francisco → Cleveland
Timetable, San Francisco time
14:50SK 935 from Copenhagen at the gatealso AF 4345, DL 7685
12:45UA 581 to Cleveland leaves the gate
21 h 55 apart on the timetable, overnight
UA 581 leaves 21 h 55 after SK 935 arrives on the timetable: more than half a day, so not a connection we count.