CZ 435 then AA 2256 at O'Hare
Anchorage → Chicago → Punta Cana
Timetable, Chicago time
15:58CZ 435 from Anchorage at the gate
08:14AA 2256 to Punta Cana leaves the gate
16 h 16 apart on the timetable, overnight
AA 2256 leaves 16 h 16 after CZ 435 arrives on the timetable: more than half a day, so not a connection we count.