UA 1936 then UA 573 at San Francisco
Eugene → San Francisco → Denver
Timetable, San Francisco time
21:05UA 1936 from Eugene at the gatealso OZ 6325
20:23UA 573 to Denver leaves the gatealso AC 4081
23 h 18 apart on the timetable, overnight
UA 573 leaves 23 h 18 after UA 1936 arrives on the timetable: more than half a day, so not a connection we count.