Heathrow axed more than 80 flights and there was also disruption to services from Southend and Southampton - where delays were reported from the Channel Islands. It's the second day of flight disruption at some airports, following delays and cancellations yesterday due to strikes across Europe.
British Airways says "We apologise to customers for the inconvenience and thank them for their understanding."
More top news
A combination of two drugs used for different illnesses could help combat Inflammatory Bowel Disease.
Thursday afternoon's weather for the east of the region
Thursday afternoon's forecast for the west of the region