CA 8443 then AA 1976 at O'Hare
Anchorage → Chicago → Puerto Vallarta
Timetable, Chicago time
16:59CA 8443 from Anchorage at the gate
10:41AA 1976 to Puerto Vallarta leaves the gate
17 h 42 apart on the timetable, overnight
AA 1976 leaves 17 h 42 after CA 8443 arrives on the timetable: more than half a day, so not a connection we count.