UA 1970 then UA 387 at San Francisco
Cleveland → San Francisco → Portland (Oregon)
Timetable, San Francisco time
21:45UA 1970 from Cleveland at the gatealso VA 8489, NZ 9046, OZ 9526
20:54UA 387 to Portland (Oregon) leaves the gatealso CM 2404, VA 8571, NZ 9348
23 h 09 apart on the timetable, overnight
UA 387 leaves 23 h 09 after UA 1970 arrives on the timetable: more than half a day, so not a connection we count.