AA 4479 then CX 2081 at O'Hare
Pittsburgh → Chicago → Anchorage
Timetable, Chicago time
14:00AA 4479 from Pittsburgh at the gate
12:55CX 2081 to Anchorage leaves the gate
22 h 55 apart on the timetable, overnight
CX 2081 leaves 22 h 55 after AA 4479 arrives on the timetable: more than half a day, so not a connection we count.