UA 561 then UA 5248 at San Francisco
Kansas City → San Francisco → San Luis Obispo
Timetable, San Francisco time
20:10UA 561 from Kansas City at the gatealso OZ 6318, NZ 9502
14:10UA 5248 to San Luis Obispo leaves the gate
18 h apart on the timetable, overnight
UA 5248 leaves 18 h after UA 561 arrives on the timetable: more than half a day, so not a connection we count.