AV 2351 then DL 6889 at San Francisco
Denver → San Francisco → Calgary
Timetable, San Francisco time
19:11AV 2351 from Denver at the gate
17:40DL 6889 to Calgary leaves the gatealso SK 9552
22 h 29 apart on the timetable, overnight
DL 6889 leaves 22 h 29 after AV 2351 arrives on the timetable: more than half a day, so not a connection we count.