I am building a case for a claim and need to verify whether a particular flight actually was operated out of Heathrow on a particular day in mid May past. Is there by chance that somewhere I can get that information, ideally simply on the internet ?
Karl, as I understand it, you just do an initial free flight check (as per the button at the bottom) and they tell you if the flight existed. After that you can decide whether you want to pay for any further services.
I haven't used their site myself so I may have read it wrongly.