AA 4383 then UA 5609 at O'Hare
Des Moines → Chicago → Appleton
Timetable, Chicago time
09:10AA 4383 from Des Moines at the gate
22:00UA 5609 to Appleton leaves the gate
12 h 50 apart on the timetable
UA 5609 leaves 12 h 50 after AA 4383 arrives on the timetable: more than half a day, so not a connection we count.