AA 5441 then UA 6080 at O'Hare
Cleveland → Chicago → Saginaw
Timetable, Chicago time
13:30AA 5441 from Cleveland at the gate
12:40UA 6080 to Saginaw leaves the gate
23 h 10 apart on the timetable, overnight
UA 6080 leaves 23 h 10 after AA 5441 arrives on the timetable: more than half a day, so not a connection we count.