AA 4390 then OO 6080 at O'Hare
Syracuse → Chicago → Saginaw
Timetable, Chicago time
13:59AA 4390 from Syracuse at the gate
13:25OO 6080 to Saginaw leaves the gate
23 h 26 apart on the timetable, overnight
OO 6080 leaves 23 h 26 after AA 4390 arrives on the timetable: more than half a day, so not a connection we count.