QR 3644 then QR 3563 at Barcelona
Rome → Barcelona → Palma de Mallorca
Timetable, Barcelona time
15:45QR 3644 from Rome at the gatealso IB 5339, LL 5339, VY 6009
21:10QR 3563 to Palma de Mallorca leaves the gatealso VY 3908, IB 5298, LL 5298
5 h 25 apart on the timetable
The last days
QR 3644 and QR 3563 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.