You may be able to claim huge sums of cash for flight delays and flight cancellations under EU rules. A recent landmark court ruling means you could get up to £480 per person dating back to 2005. See article for more details.... http://www.moneysavingexpert.com/travel/flight-delays (http://www.moneysavingexpert.com/travel/flight-delays)
Such a pity I was never delayed much with Ryanair. :)