Originally Posted by
UKtravelbear
There is (or at least used to be) a list of such proactive cancellations on the CAA website
There still is, but there's no mention/update on it to include todays cancellations at Heathrow
I had a feeling I was on a hiding to nothing but thought it best to check with the experts first, so thanks guys and gals for the advice so far
I totally understand if Heathrow imposed the restriction on them (and I wouldn't be entitled to EU261) but have no way of knowing if that is actually what happened