CZ 435 then AA 4102 at O'Hare
Anchorage → Chicago → Denver
Timetable, Chicago time
15:58CZ 435 from Anchorage at the gate
06:40AA 4102 to Denver leaves the gate
14 h 42 apart on the timetable, overnight
AA 4102 leaves 14 h 42 after CZ 435 arrives on the timetable: more than half a day, so not a connection we count.