Campaigners have urged Heathrow Airport to ground its flights for seven hours a day out of respect for the Queen.
On Wednesday the West London travel hub said planes flying over the procession of the Queen's coffin from Buckingham Palace to Westminster Hall would be disrupted.
In total 15 flights were cancelled going into and out of the airport yesterday afternoon and evening, with Heathrow admitting that services may be disrupted on Monday when Her Majesty is laid to rest.
A spokesperson for the airport said they hoped to avoid disrupting the silence of the procession, which saw Princes Harry and William walk with one another through central London.
Justine Bayley, chairperson of the Stop Heathrow Expansion campaign, praised the airport for the move, but said it should go further during the national period of mourning.
“While we support this move, out of respect to the late monarch, Heathrow could and should go further. It should show respect to all its neighbours – including Windsor Castle – by cancelling the many late-running flights that take off after 11pm and even later, and disallowing arrivals in the very early morning, before 6am," she said.
“This summer has, once again, shown Heathrow to be a national embarrassment.
"With so many disruptive late-running flights and its inability to run an efficient airport operation, Heathrow must never be allowed to expand.”
While Heathrow does not schedule any departure between 11pm and 6am, 16 flights arrive at the airport between those hours each day on average, according to its own figures.
The flight path over Windsor Castle - the Queen's favoured residence prior to her death - has long been a point of contention.
The airport and castle are just a few miles away from one another, meaning dozens of planes fly over the royal residence each hour.
Earlier this year a no-fly zone around Windsor Castle was enforced by the police, meaning the monarch and thousands of residents that live within 1.75 miles of Windsor Castle have had a more peaceful existence.
Thames Valley Police, which put forward the proposals in conjunction with the Metropolitan Police Service, sought to bring about the no-fly zone for aircraft under 2,500ft within 1.5 nautical miles of the Castle.
The aim is “to keep the community living near this iconic location safe" and that “anyone who breaches the restrictions faces prosecution”.
However, the zone means that the Heathrow flight paths has been re-routed, as the area within the proposed no-fly zone currently sees planes heading to land flying at around 1,250ft over Windsor Castle.
As those living at the castle and around it aren't subject to the noisy aircraft, someone else is.
It remains to be seen how often King Charles stays at Windsor, and how the famously eco-conscious monarch feels about the idea of polluting planes chugging over head.
Heathrow has been contacted for comment.
