W6 2391 then VY 1011 at Madrid
Budapest → Madrid → Barcelona
Timetable, Madrid time
08:55W6 2391 from Budapest at the gate
09:20VY 1011 to Barcelona leaves the gate
25 min apart on the timetable
The last days
W6 2391 and VY 1011 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.