good evening. there are warnings of further disruption for air travellers this summer with more flights expected to be cancelled in the next few days including at heathrow, britain s busiest airport. it s thought airlines will change their summer schedules, with the aim of giving passengers more certainty and less need for last minute cancellations. paul charles is a travel industry consultant with the pc agency. he says this year s passengers will face a disappointing summer over the next eight weeks. i m afraid this is going to be a summer of stress after two years where many of us have been unable to travel due to covid lockdowns, notjust in the uk but in many parts of the world. what you re going to see over the next few days are thousands of flight cancellations by british airways and others because they have a window in which they can effectively hand back the slots that they use for taking off and landing at airports like heathrow. and with this window, it means ther