CI 5226 then UA 4447 at O'Hare
Anchorage → Chicago → Sioux Falls
Timetable, Chicago time
06:25CI 5226 from Anchorage at the gate
21:30UA 4447 to Sioux Falls leaves the gate
15 h 05 apart on the timetable
UA 4447 leaves 15 h 05 after CI 5226 arrives on the timetable: more than half a day, so not a connection we count.