K4 557 then AA 1366 at O'Hare
Anchorage → Chicago → Denver
Timetable, Chicago time
14:14K4 557 from Anchorage at the gate
11:54AA 1366 to Denver leaves the gate
21 h 40 apart on the timetable, overnight
AA 1366 leaves 21 h 40 after K4 557 arrives on the timetable: more than half a day, so not a connection we count.