CM 2528 then UA 2386 at San Francisco
Ontario → San Francisco → Washington National
Timetable, San Francisco time
20:10CM 2528 from Ontario at the gatealso AC 4112
14:18UA 2386 to Washington National leaves the gatealso NZ 2777, UA 8138
18 h 08 apart on the timetable, overnight
UA 2386 leaves 18 h 08 after CM 2528 arrives on the timetable: more than half a day, so not a connection we count.