AV 2267 then DL 6939 at San Francisco
Medford → San Francisco → Calgary
Timetable, San Francisco time
21:20AV 2267 from Medford at the gate
16:40DL 6939 to Calgary leaves the gate
19 h 20 apart on the timetable, overnight
DL 6939 leaves 19 h 20 after AV 2267 arrives on the timetable: more than half a day, so not a connection we count.