AV 6975 then UA 1515 at San Francisco
Vancouver → San Francisco → Kansas City
Timetable, San Francisco time
23:01AV 6975 from Vancouver at the gate
16:51UA 1515 to Kansas City leaves the gatealso OZ 6317, EK 6368, NZ 9503
17 h 50 apart on the timetable, overnight
UA 1515 leaves 17 h 50 after AV 6975 arrives on the timetable: more than half a day, so not a connection we count.