CZ 435 then AA 3970 at O'Hare
Anchorage → Chicago → Wilmington
Timetable, Chicago time
15:58CZ 435 from Anchorage at the gate
08:21AA 3970 to Wilmington leaves the gate
16 h 23 apart on the timetable, overnight
AA 3970 leaves 16 h 23 after CZ 435 arrives on the timetable: more than half a day, so not a connection we count.