FR 6875 then IB 5412 at Barcelona
Dublin → Barcelona → London Gatwick
Timetable, Barcelona time
10:10FR 6875 from Dublin at the gate
14:30IB 5412 to London Gatwick leaves the gatealso LL 5412, VY 7616, BA 8070
4 h 20 apart on the timetable
The last days
FR 6875 and IB 5412 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.