AV 6985 then DL 1927 at San Francisco
Vancouver → San Francisco → Detroit
Timetable, San Francisco time
16:06AV 6985 from Vancouver at the gate
13:32DL 1927 to Detroit leaves the gatealso WS 7374, MU 8702
21 h 26 apart on the timetable, overnight
DL 1927 leaves 21 h 26 after AV 6985 arrives on the timetable: more than half a day, so not a connection we count.