AA 4226 then AA 3353 at O'Hare
Dayton → Chicago → Baltimore
Timetable, Chicago time
11:59AA 4226 from Dayton at the gate
14:44AA 3353 to Baltimore leaves the gate
2 h 45 apart on the timetable
The last days
AA 4226 and AA 3353 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.