source of data for a flight delay
 

Hello - our flight from Stansted to Copenhagen (FR7384) on the 13th of Sep was delayed by approximately 3 hours.

Ryanair is not letting to submit a compensation claim saying it was less than 3h.

The problem is that in some sources it was indeed under 3 hours (i.e. flightera, I'm not allowed to paste links yet)
While other sources show it was delayed by 3 h 10 mins, i.e. flightaware

Where can I find the reliable stats, which could be used in the claim (if it was indeed delayed by 3 hours)?

Thanks.

As far as I can see it was parked at 00:58 giving them a bit of time to get the stairs placed and the door opened, but really only a bit. It a very grey zone, I am not sure if anyone have data exact enough to disprove Ryanair's claim that they opened the door before 1am. The aircraft touched down at 00:55 landing towards the terminal with a very short taxi, so it is not impossible that they made it with a fraction of time to spare.