UA 5210 then AA 3429 at O'Hare
Saginaw → Chicago → Cleveland
Timetable, Chicago time
14:15UA 5210 from Saginaw at the gate
09:45AA 3429 to Cleveland leaves the gate
19 h 30 apart on the timetable, overnight
AA 3429 leaves 19 h 30 after UA 5210 arrives on the timetable: more than half a day, so not a connection we count.