AA 2541 then UA 6080 at O'Hare
Newark → Chicago → Saginaw
Timetable, Chicago time
16:17AA 2541 from Newark at the gate
12:40UA 6080 to Saginaw leaves the gate
20 h 23 apart on the timetable, overnight
UA 6080 leaves 20 h 23 after AA 2541 arrives on the timetable: more than half a day, so not a connection we count.