FR 3813 then IB 1323 at Madrid
Bologna → Madrid → Düsseldorf
Timetable, Madrid time
13:05FR 3813 from Bologna at the gate
16:20IB 1323 to Düsseldorf leaves the gate
3 h 15 apart on the timetable
The last days
FR 3813 and IB 1323 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.