AA 3733 then UA 5539 at O'Hare
Kansas City → Chicago → Moline
Timetable, Chicago time
09:05AA 3733 from Kansas City at the gate
21:47UA 5539 to Moline leaves the gate
12 h 42 apart on the timetable
UA 5539 leaves 12 h 42 after AA 3733 arrives on the timetable: more than half a day, so not a connection we count.