UA 1853 then AS 91 at LAX
Cleveland → Los Angeles → San Francisco
Timetable, Los Angeles time
20:27UA 1853 from Cleveland at the gate
15:58AS 91 to San Francisco leaves the gate
19 h 31 apart on the timetable, overnight
AS 91 leaves 19 h 31 after UA 1853 arrives on the timetable: more than half a day, so not a connection we count.