AV 2267 then UA 573 at San Francisco
Medford → San Francisco → Denver
Timetable, San Francisco time
08:00AV 2267 from Medford at the gate
20:23UA 573 to Denver leaves the gatealso AC 4081
12 h 23 apart on the timetable
UA 573 leaves 12 h 23 after AV 2267 arrives on the timetable: more than half a day, so not a connection we count.