QR 3559 then FR 6927 at Barcelona
Santander → Barcelona → Rome
Timetable, Barcelona time
14:30QR 3559 from Santander at the gate
19:20FR 6927 to Rome leaves the gate
4 h 50 apart on the timetable
The last days
QR 3559 and FR 6927 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.