UA 1970 then LH 8784 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
19:10LH 8784 to Portland (Oregon) leaves the gate
21 h 25 apart on the timetable, overnight
LH 8784 leaves 21 h 25 after UA 1970 arrives on the timetable: more than half a day, so not a connection we count.