K4 551 then AA 1466 at O'Hare
Anchorage → Chicago → Denver
Timetable, Chicago time
16:28K4 551 from Anchorage at the gate
15:23AA 1466 to Denver leaves the gate
22 h 55 apart on the timetable, overnight
AA 1466 leaves 22 h 55 after K4 551 arrives on the timetable: more than half a day, so not a connection we count.