W6 2375 then D8 5502 at Barcelona
Budapest → Barcelona → Stockholm
Timetable, Barcelona time
08:40W6 2375 from Budapest at the gate
14:40D8 5502 to Stockholm leaves the gate
6 h apart on the timetable
The last days
W6 2375 and D8 5502 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.