IB 5809 then QR 3515 at Barcelona
Palermo → Barcelona → Madrid
Timetable, Barcelona time
12:00IB 5809 from Palermo at the gatealso LL 5809, VY 6127
16:30QR 3515 to Madrid leaves the gate
4 h 30 apart on the timetable
The last days
IB 5809 and QR 3515 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.