CZ 435 then AA 559 at O'Hare
Anchorage → Chicago → Puerto Vallarta
Timetable, Chicago time
15:58CZ 435 from Anchorage at the gate
08:05AA 559 to Puerto Vallarta leaves the gate
16 h 07 apart on the timetable, overnight
AA 559 leaves 16 h 07 after CZ 435 arrives on the timetable: more than half a day, so not a connection we count.