CA 3103 then AA 3890 at O'Hare
Anchorage → Chicago → Sioux Falls
Timetable, Chicago time
15:07CA 3103 from Anchorage at the gate
12:26AA 3890 to Sioux Falls leaves the gate
21 h 19 apart on the timetable, overnight
AA 3890 leaves 21 h 19 after CA 3103 arrives on the timetable: more than half a day, so not a connection we count.