CM 2528 then AV 2354 at San Francisco
Ontario → San Francisco → Denver
Timetable, San Francisco time
20:10CM 2528 from Ontario at the gatealso AC 4112
16:24AV 2354 to Denver leaves the gate
20 h 14 apart on the timetable, overnight
AV 2354 leaves 20 h 14 after CM 2528 arrives on the timetable: more than half a day, so not a connection we count.