AA 581 then CX 2081 at O'Hare
Miami → Chicago → Anchorage
Timetable, Chicago time
09:30AA 581 from Miami at the gate
09:10CX 2081 to Anchorage leaves the gate
23 h 40 apart on the timetable, overnight
CX 2081 leaves 23 h 40 after AA 581 arrives on the timetable: more than half a day, so not a connection we count.