W4 3563 then QR 3527 at Barcelona
Arad → Barcelona → Rome
Timetable, Barcelona time
19:35W4 3563 from Arad at the gate
20:50QR 3527 to Rome leaves the gate
1 h 15 apart on the timetable
The last days
W4 3563 and QR 3527 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.