UA 4734 then UA 581 at San Francisco
Eugene → San Francisco → Cleveland
Timetable, San Francisco time
13:16UA 4734 from Eugene at the gatealso EK 6064, LH 8741
12:45UA 581 to Cleveland leaves the gate
23 h 29 apart on the timetable, overnight
UA 581 leaves 23 h 29 after UA 4734 arrives on the timetable: more than half a day, so not a connection we count.