UA 561 then AS 586 at San Francisco
Kansas City → San Francisco → San Diego
Timetable, San Francisco time
20:10UA 561 from Kansas City at the gatealso OZ 6318, NZ 9502
10:05AS 586 to San Diego leaves the gatealso QR 3437, AA 7548
13 h 55 apart on the timetable, overnight
AS 586 leaves 13 h 55 after UA 561 arrives on the timetable: more than half a day, so not a connection we count.