AA 4226 then UA 4535 at O'Hare
Dayton → Chicago → Pittsburgh
Timetable, Chicago time
11:59AA 4226 from Dayton at the gate
12:48UA 4535 to Pittsburgh leaves the gate
49 min apart on the timetable
The last days
AA 4226 and UA 4535 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.