UA 1970 then CM 1454 at San Francisco
Cleveland → San Francisco → Los Angeles
Timetable, San Francisco time
21:45UA 1970 from Cleveland at the gatealso VA 8489, NZ 9046, OZ 9526
17:42CM 1454 to Los Angeles leaves the gate
19 h 57 apart on the timetable, overnight
CM 1454 leaves 19 h 57 after UA 1970 arrives on the timetable: more than half a day, so not a connection we count.