UA 1970 then AS 2023 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
21:05AS 2023 to Portland (Oregon) leaves the gatealso QR 2114, BA 2986, QR 2999, QR 3357, AA 7595
23 h 20 apart on the timetable, overnight
AS 2023 leaves 23 h 20 after UA 1970 arrives on the timetable: more than half a day, so not a connection we count.