CZ 427 then AA 6325 at O'Hare
Anchorage → Chicago → Detroit
Timetable, Chicago time
18:22CZ 427 from Anchorage at the gate
18:06AA 6325 to Detroit leaves the gate
23 h 44 apart on the timetable, overnight
AA 6325 leaves 23 h 44 after CZ 427 arrives on the timetable: more than half a day, so not a connection we count.