AA 3890 then K4 894 at O'Hare
Sioux Falls → Chicago → Anchorage
Timetable, Chicago time
16:40AA 3890 from Sioux Falls at the gate
16:30K4 894 to Anchorage leaves the gate
23 h 50 apart on the timetable, overnight
K4 894 leaves 23 h 50 after AA 3890 arrives on the timetable: more than half a day, so not a connection we count.