OZ 6523 then UA 581 at San Francisco
Salt Lake City → San Francisco → Cleveland
Timetable, San Francisco time
17:45OZ 6523 from Salt Lake City at the gate
12:45UA 581 to Cleveland leaves the gate
19 h apart on the timetable, overnight
UA 581 leaves 19 h after OZ 6523 arrives on the timetable: more than half a day, so not a connection we count.