UA 1970 then UA 1799 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
18:55UA 1799 to Los Angeles leaves the gatealso VA 8048, NZ 9255
21 h 10 apart on the timetable, overnight
UA 1799 leaves 21 h 10 after UA 1970 arrives on the timetable: more than half a day, so not a connection we count.