AA 1696 then UA 6080 at O'Hare
Atlanta → Chicago → Saginaw
Timetable, Chicago time
16:11AA 1696 from Atlanta at the gate
13:25UA 6080 to Saginaw leaves the gate
21 h 14 apart on the timetable, overnight
UA 6080 leaves 21 h 14 after AA 1696 arrives on the timetable: more than half a day, so not a connection we count.