CV 21 then UA 5539 at O'Hare
Anchorage → Chicago → Moline
Timetable, Chicago time
01:25CV 21 from Anchorage at the gate
21:47UA 5539 to Moline leaves the gate
20 h 22 apart on the timetable
UA 5539 leaves 20 h 22 after CV 21 arrives on the timetable: more than half a day, so not a connection we count.