AA 3980 then CX 81 at O'Hare
Champaign → Chicago → Anchorage
Timetable, Chicago time
17:24AA 3980 from Champaign at the gate
15:30CX 81 to Anchorage leaves the gate
22 h 06 apart on the timetable, overnight
CX 81 leaves 22 h 06 after AA 3980 arrives on the timetable: more than half a day, so not a connection we count.