AV 2046 then KL 7571 at San Francisco
Arcata → San Francisco → Detroit
Timetable, San Francisco time
20:00AV 2046 from Arcata at the gate
13:30KL 7571 to Detroit leaves the gatealso WS 8490, MU 8702
17 h 30 apart on the timetable, overnight
KL 7571 leaves 17 h 30 after AV 2046 arrives on the timetable: more than half a day, so not a connection we count.