AA 4776 then UA 6080 at O'Hare
Kansas City → Chicago → Saginaw
Timetable, Chicago time
13:29AA 4776 from Kansas City at the gate
13:25UA 6080 to Saginaw leaves the gate
23 h 56 apart on the timetable, overnight
UA 6080 leaves 23 h 56 after AA 4776 arrives on the timetable: more than half a day, so not a connection we count.