QR 4681 then BA 485 at Barcelona
Basel → Barcelona → London Heathrow
Timetable, Barcelona time
12:25QR 4681 from Basel at the gate
17:00BA 485 to London Heathrow leaves the gatealso IB 3666, AA 6821, VY 9563
4 h 35 apart on the timetable
The last days
QR 4681 and BA 485 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.