OZ 6344 then KL 7571 at San Francisco
St Louis → San Francisco → Detroit
Timetable, San Francisco time
21:41OZ 6344 from St Louis at the gate
13:30KL 7571 to Detroit leaves the gatealso WS 8490
15 h 49 apart on the timetable, overnight
KL 7571 leaves 15 h 49 after OZ 6344 arrives on the timetable: more than half a day, so not a connection we count.