AA 3356 then UA 6080 at O'Hare
Memphis → Chicago → Saginaw
Timetable, Chicago time
16:30AA 3356 from Memphis at the gate
13:25UA 6080 to Saginaw leaves the gate
20 h 55 apart on the timetable, overnight
UA 6080 leaves 20 h 55 after AA 3356 arrives on the timetable: more than half a day, so not a connection we count.