AA 9950 then K4 217 at O'Hare
Philadelphia → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
13:49AA 9950 from Philadelphia at the gate
11:35K4 217 to Cincinnati Northern Kentucky leaves the gate
21 h 46 apart on the timetable, overnight
K4 217 leaves 21 h 46 after AA 9950 arrives on the timetable: more than half a day, so not a connection we count.