UA 1773 then AA 3676 at Miami
Chicago O'Hare → Miami → Cincinnati
Timetable, Miami time
18:50UA 1773 from Chicago O'Hare at the gate
17:10AA 3676 to Cincinnati leaves the gate
22 h 20 apart on the timetable, overnight
AA 3676 leaves 22 h 20 after UA 1773 arrives on the timetable: more than half a day, so not a connection we count.