CZ 427 then AA 3564 at O'Hare
Anchorage → Chicago → Roanoke
Timetable, Chicago time
18:22CZ 427 from Anchorage at the gate
13:29AA 3564 to Roanoke leaves the gate
19 h 07 apart on the timetable, overnight
AA 3564 leaves 19 h 07 after CZ 427 arrives on the timetable: more than half a day, so not a connection we count.