UA 561 then AC 567 at San Francisco
Kansas City → San Francisco → Vancouver
Timetable, San Francisco time
20:10UA 561 from Kansas City at the gatealso OZ 6318, NZ 9502
14:45AC 567 to Vancouver leaves the gatealso SQ 1021, NZ 4608, UA 8564
18 h 35 apart on the timetable, overnight
AC 567 leaves 18 h 35 after UA 561 arrives on the timetable: more than half a day, so not a connection we count.