AA 9730 then IB 1401 at Madrid
Cincinnati → Madrid → Athens
Timetable, Madrid time
09:25AA 9730 from Cincinnati at the gate
13:30IB 1401 to Athens leaves the gate
4 h 05 apart on the timetable
The last days
AA 9730 and IB 1401 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.