UA 1970 then UA 3751 at San Francisco
Cleveland → San Francisco → Eugene
Timetable, San Francisco time
21:45UA 1970 from Cleveland at the gatealso VA 8489, NZ 9046, OZ 9526
14:20UA 3751 to Eugene leaves the gate
16 h 35 apart on the timetable, overnight
UA 3751 leaves 16 h 35 after UA 1970 arrives on the timetable: more than half a day, so not a connection we count.