CZ 435 then AA 9915 at O'Hare
Anchorage → Chicago → Milwaukee
Timetable, Chicago time
15:58CZ 435 from Anchorage at the gate
11:00AA 9915 to Milwaukee leaves the gate
19 h 02 apart on the timetable, overnight
AA 9915 leaves 19 h 02 after CZ 435 arrives on the timetable: more than half a day, so not a connection we count.