AA 3559 then CX 81 at O'Hare
Moline → Chicago → Anchorage
Timetable, Chicago time
18:29AA 3559 from Moline at the gate
15:30CX 81 to Anchorage leaves the gate
21 h 01 apart on the timetable, overnight
CX 81 leaves 21 h 01 after AA 3559 arrives on the timetable: more than half a day, so not a connection we count.