BR 662 then UA 1842 at O'Hare
Anchorage → Chicago → Sioux Falls
Timetable, Chicago time
06:39BR 662 from Anchorage at the gate
19:45UA 1842 to Sioux Falls leaves the gate
13 h 06 apart on the timetable
UA 1842 leaves 13 h 06 after BR 662 arrives on the timetable: more than half a day, so not a connection we count.