CA 7283 then UA 581 at San Francisco
Los Angeles → San Francisco → Cleveland
Timetable, San Francisco time
00:06CA 7283 from Los Angeles at the gate
12:45UA 581 to Cleveland leaves the gate
12 h 39 apart on the timetable
UA 581 leaves 12 h 39 after CA 7283 arrives on the timetable: more than half a day, so not a connection we count.