UA 5300 then UA 5539 at O'Hare
Green Bay → Chicago → Moline
Timetable, Chicago time
07:49UA 5300 from Green Bay at the gate
21:47UA 5539 to Moline leaves the gate
13 h 58 apart on the timetable
UA 5539 leaves 13 h 58 after UA 5300 arrives on the timetable: more than half a day, so not a connection we count.