AA 470 then AA 4148 at O'Hare
Philadelphia → Chicago → Cleveland
Timetable, Chicago time
17:33AA 470 from Philadelphia at the gate
18:25AA 4148 to Cleveland leaves the gate
52 min apart on the timetable
The last days
AA 470 and AA 4148 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.