FR 23 then FR 373 at Dublin
Beauvais → Dublin → London Luton
Timetable, Dublin time
07:10FR 23 from Beauvais at the gate
11:15FR 373 to London Luton leaves the gate
4 h 05 apart on the timetable
Dublin’s board gives an arrival time for only about 47% of its flights, so many days show no gate time.
The last days
FR 23 and FR 373 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.