K4 221 then AA 4400 at O'Hare
Anchorage → Chicago → Memphis
Timetable, Chicago time
13:41K4 221 from Anchorage at the gate
11:50AA 4400 to Memphis leaves the gate
22 h 09 apart on the timetable, overnight
AA 4400 leaves 22 h 09 after K4 221 arrives on the timetable: more than half a day, so not a connection we count.