IB 5405 then QR 3628 at Barcelona
London Gatwick → Barcelona → Paris Charles de Gaulle
Timetable, Barcelona time
16:55IB 5405 from London Gatwick at the gatealso LL 5405, VY 7609, BA 8063
19:10QR 3628 to Paris Charles de Gaulle leaves the gatealso LL 5454
2 h 15 apart on the timetable
The last days
IB 5405 and QR 3628 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.