AA 3521 then AA 5010 at O'Hare
Bloomington-Normal → Chicago → Cleveland
Timetable, Chicago time
06:14AA 3521 from Bloomington-Normal at the gate
07:00AA 5010 to Cleveland leaves the gate
46 min apart on the timetable
The last days
AA 3521 and AA 5010 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.