AV 6985 then KE 3471 at San Francisco
Vancouver → San Francisco → Detroit
Timetable, San Francisco time
16:06AV 6985 from Vancouver at the gate
11:58KE 3471 to Detroit leaves the gate
19 h 52 apart on the timetable, overnight
KE 3471 leaves 19 h 52 after AV 6985 arrives on the timetable: more than half a day, so not a connection we count.