Transport correspondent.
A French air traffic control strike is expected to affect tens of thousands of passengers.
Most of the flights that were canceled were to fly over France.
Air France said it would only run 45% of its short-haul flights after cutting 76 flights.
On Monday, 15% of Heathrow Airport's schedule will be changed.
There will be 100 British Airways flights and four Virgin Atlantic flights canceled.
The strike action in France is due to a dispute over wages and inflation.
All passengers have been informed. The carrier runs more than 3000 flights a day.
It is inexplicable that thousands of European citizens and visitors will have their travel plans disrupted.
Passengers who are not flying to or from France are disrupted.
French law protects domestic flights in France, but not flights that fly over the country.
He said it was time for the European Union to protect overflights so that European passengers are not held to ransom by a small French air traffic control union.
EasyJet said it had been forced to cancel flights.
While this is outside of our control, we would like to apologize to our customers.
There could be some delays on Friday as a result of the 22 canceled flights.
Less than half of Air France's flights are short and medium haul. Delays and last minute cancellation can't be ruled out.
The French civil aviation authority said that the flight cuts affect the entire country. It said that it was working with Eurocontrol to help airlines avoid air space in other countries.
Strikes across the aviation industry caused severe disruption to Europe's summer traffic, including ground and cabin personnel who are seeking pay rises to cope with increased living costs
There were several strikes by firefighters and staff at the airport.
During the Queen's funeral, the flight schedule at the airport will be changed.
After the two-minute silence at the end of the funeral, all flights will be delayed for 15 minutes.
During the procession of the hearse and the ceremonial procession via the Long Walk, there will be no arrivals or departures.
The committal service at St George's Chapel will cause departures to be reduced between 1655 and 21st century.
The private family service and interment at Windsor Castle will cause flights to be diverted.
Air passengers who have their flights canceled or badly delayed on Monday will not be entitled to financial compensation according to the guidance issued by theCAA. These are probably going to be deemed extraordinary circumstances.
Airlines are giving refunds or rebookings.