AV 2055 then UA 3911 at San Francisco
Monterey → San Francisco → Denver
Timetable, San Francisco time
20:51AV 2055 from Monterey at the gatealso UA 4633, LH 8529
17:00UA 3911 to Denver leaves the gate
20 h 09 apart on the timetable, overnight
UA 3911 leaves 20 h 09 after AV 2055 arrives on the timetable: more than half a day, so not a connection we count.