K4 221 then AA 4918 at O'Hare
Anchorage → Chicago → Colorado Springs
Timetable, Chicago time
13:41K4 221 from Anchorage at the gate
11:00AA 4918 to Colorado Springs leaves the gate
21 h 19 apart on the timetable, overnight
AA 4918 leaves 21 h 19 after K4 221 arrives on the timetable: more than half a day, so not a connection we count.