CI 5234 then AA 4437 at O'Hare
Anchorage → Chicago → Memphis
Timetable, Chicago time
19:25CI 5234 from Anchorage at the gate
15:35AA 4437 to Memphis leaves the gate
20 h 10 apart on the timetable, overnight
AA 4437 leaves 20 h 10 after CI 5234 arrives on the timetable: more than half a day, so not a connection we count.