AV 2351 then AA 2524 at San Francisco
Denver → San Francisco → Chicago O'Hare
Timetable, San Francisco time
23:09AV 2351 from Denver at the gate
15:04AA 2524 to Chicago O'Hare leaves the gatealso QF 4550, FJ 5015
15 h 55 apart on the timetable, overnight
AA 2524 leaves 15 h 55 after AV 2351 arrives on the timetable: more than half a day, so not a connection we count.