UA 1970 then CM 1449 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
21:06CM 1449 to Eugene leaves the gatealso UA 1508, LH 8574
23 h 21 apart on the timetable, overnight
CM 1449 leaves 23 h 21 after UA 1970 arrives on the timetable: more than half a day, so not a connection we count.