FR 817 then FR 272 at Dublin
Edinburgh → Dublin → London Stansted
Timetable, Dublin time
13:15FR 817 from Edinburgh at the gate
18:55FR 272 to London Stansted leaves the gate
5 h 40 apart on the timetable
Dublin’s board gives an arrival time for only about 48% of its flights, so many days show no gate time.
The last days
FR 817 and FR 272 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.