CZ 427 then UA 4513 at O'Hare
Anchorage → Chicago → Green Bay
Timetable, Chicago time
18:22CZ 427 from Anchorage at the gate
13:30UA 4513 to Green Bay leaves the gate
19 h 08 apart on the timetable, overnight
UA 4513 leaves 19 h 08 after CZ 427 arrives on the timetable: more than half a day, so not a connection we count.