FR 7153 then FR 1899 at Dublin
Santander → Dublin → Manchester
Timetable, Dublin time
23:35FR 7153 from Santander at the gate
06:15FR 1899 to Manchester leaves the gate
6 h 40 apart on the timetable, overnight
Dublin’s board gives an arrival time for only about 45% of its flights, so many days show no gate time.
The last days
FR 7153 and FR 1899 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.