AV 6985 then KL 7571 at San Francisco
Vancouver → San Francisco → Detroit
Timetable, San Francisco time
16:06AV 6985 from Vancouver at the gate
13:30KL 7571 to Detroit leaves the gatealso WS 8490, MU 8702
21 h 24 apart on the timetable, overnight
KL 7571 leaves 21 h 24 after AV 6985 arrives on the timetable: more than half a day, so not a connection we count.