CM 2528 then UA 1554 at San Francisco
Ontario → San Francisco → San Antonio
Timetable, San Francisco time
20:10CM 2528 from Ontario at the gatealso AC 4112
16:20UA 1554 to San Antonio leaves the gatealso NZ 2373, AC 4347, EK 6381
20 h 10 apart on the timetable, overnight
UA 1554 leaves 20 h 10 after CM 2528 arrives on the timetable: more than half a day, so not a connection we count.