CM 2457 then UA 552 at San Francisco
Sacramento → San Francisco → Ontario
Timetable, San Francisco time
21:41CM 2457 from Sacramento at the gatealso AC 4533, UA 5961, VA 8183
21:20UA 552 to Ontario leaves the gatealso CM 1456
23 h 39 apart on the timetable, overnight
UA 552 leaves 23 h 39 after CM 2457 arrives on the timetable: more than half a day, so not a connection we count.