FR 1983 then FR 1956 at Dublin
Biarritz → Dublin → Manchester
Timetable, Dublin time
17:20FR 1983 from Biarritz at the gate
19:40FR 1956 to Manchester leaves the gate
2 h 20 apart on the timetable
Dublin’s board gives an arrival time for only about 46% of its flights, so many days show no gate time.
The last days
FR 1983 and FR 1956 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.