UA 1763 then UA 581 at San Francisco
San Diego → San Francisco → Cleveland
Timetable, San Francisco time
15:15UA 1763 from San Diego at the gatealso CM 2516, LX 3237
12:45UA 581 to Cleveland leaves the gate
21 h 30 apart on the timetable, overnight
UA 581 leaves 21 h 30 after UA 1763 arrives on the timetable: more than half a day, so not a connection we count.