CV 21 then AA 6227 at O'Hare
Anchorage → Chicago → Sioux Falls
Timetable, Chicago time
01:25CV 21 from Anchorage at the gate
22:38AA 6227 to Sioux Falls leaves the gate
21 h 13 apart on the timetable
AA 6227 leaves 21 h 13 after CV 21 arrives on the timetable: more than half a day, so not a connection we count.