AV 2351 then UA 580 at San Francisco
Denver → San Francisco → Los Angeles
Timetable, San Francisco time
23:09AV 2351 from Denver at the gate
21:20UA 580 to Los Angeles leaves the gatealso CM 1067, VA 8560, NZ 9258
22 h 11 apart on the timetable, overnight
UA 580 leaves 22 h 11 after AV 2351 arrives on the timetable: more than half a day, so not a connection we count.