Newquay Airport’s 1230 BST flight to Dublin was cancelled along with Exeter Airport’s 1020 BST flight to Dublin and 1225 BST flight to Glasgow.Exeter’s 0650 BST flight to Edinburgh was also delayed.A number of airports in Scotland, Ireland and Northern Ireland are to remain shut until at least 0100 BST.Last month, volcanic ash clouds from Iceland grounded flights over Europe for six days because of fears ash could severely damage aircraft engines.