K4 529 then AA 3484 at O'Hare
Anchorage → Chicago → St Louis
Timetable, Chicago time
15:32K4 529 from Anchorage at the gate
15:20AA 3484 to St Louis leaves the gate
23 h 48 apart on the timetable, overnight
AA 3484 leaves 23 h 48 after K4 529 arrives on the timetable: more than half a day, so not a connection we count.