CA 7283 then UA 552 at San Francisco
Los Angeles → San Francisco → Ontario
Timetable, San Francisco time
00:06CA 7283 from Los Angeles at the gate
21:20UA 552 to Ontario leaves the gatealso CM 1456
21 h 14 apart on the timetable
UA 552 leaves 21 h 14 after CA 7283 arrives on the timetable: more than half a day, so not a connection we count.