FR 344 then FR 556 at Dublin
London Gatwick → Dublin → Manchester
Timetable, Dublin time
12:20FR 344 from London Gatwick at the gate
16:25FR 556 to Manchester 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 344 and FR 556 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.