Fouga,
I think you're misquoting me there, from what I heard it was never actually organised for it to be cancelled.
That said, it might still happen, the FTS is a busy place so the pilots I spoke with might not be involved in a flypast if there is one so if you're in town there's no harm in keeping one eye on the sky.
In fairness though your best chance of seeing a flypast this week is in Limerick on Saturday, 4 PC-9's & 1 AW139, I think there is also a PC-9 flypast in Letterkenny & Tallaght on the same day.
Regards,
Frank.