K4 221 then AA 6332 at O'Hare
Anchorage → Chicago → St Louis
Timetable, Chicago time
13:41K4 221 from Anchorage at the gate
11:15AA 6332 to St Louis leaves the gate
21 h 34 apart on the timetable, overnight
AA 6332 leaves 21 h 34 after K4 221 arrives on the timetable: more than half a day, so not a connection we count.