AA 1285 then K4 221 at O'Hare
Dallas-Fort Worth → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
16:16AA 1285 from Dallas-Fort Worth at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
18 h 19 apart on the timetable, overnight
K4 221 leaves 18 h 19 after AA 1285 arrives on the timetable: more than half a day, so not a connection we count.