AA 4094 then UA 4488 at O'Hare
Cincinnati Northern Kentucky → Chicago → Greensboro
Timetable, Chicago time
06:10AA 4094 from Cincinnati Northern Kentucky at the gate
18:20UA 4488 to Greensboro leaves the gate
12 h 10 apart on the timetable
UA 4488 leaves 12 h 10 after AA 4094 arrives on the timetable: more than half a day, so not a connection we count.