AA 440 then AS 9728 at O'Hare
Houston → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
14:29AA 440 from Houston at the gate
17:15AS 9728 to Cincinnati Northern Kentucky leaves the gate
2 h 46 apart on the timetable
The last days
AA 440 and AS 9728 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.