CM 2528 then UA 8222 at San Francisco
Ontario → San Francisco → Boston
Timetable, San Francisco time
20:10CM 2528 from Ontario at the gatealso AC 4112
13:15UA 8222 to Boston leaves the gate
17 h 05 apart on the timetable, overnight
UA 8222 leaves 17 h 05 after CM 2528 arrives on the timetable: more than half a day, so not a connection we count.