FR 5515 then FR 5321 at Madrid
Krakow → Madrid → Milan
Timetable, Madrid time
09:20FR 5515 from Krakow at the gate
13:20FR 5321 to Milan leaves the gate
4 h apart on the timetable
The last days
FR 5515 and FR 5321 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.