FR 9613 then BA 549 at Fiumicino
Dublin → Rome → London Heathrow
Timetable, Rome time
11:10FR 9613 from Dublin at the gate
12:15BA 549 to London Heathrow leaves the gate
1 h 05 apart on the timetable
Fiumicino’s board shows about 63% of departures at their timetable time, so delays of a few minutes don’t show here.
The last days
FR 9613 and BA 549 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.