CZ 427 then AA 428 at O'Hare
Anchorage → Chicago → Portland (Oregon)
Timetable, Chicago time
18:22CZ 427 from Anchorage at the gate
17:05AA 428 to Portland (Oregon) leaves the gate
22 h 43 apart on the timetable, overnight
AA 428 leaves 22 h 43 after CZ 427 arrives on the timetable: more than half a day, so not a connection we count.