Tom Denton, Head of Corporate Responsibility at Gatwick, said: "This project gives us an opportunity to further reduce the number of people affected by noise, as well as focus on further reducing CO2 emissions and air-quality impacts.
"Therefore this is an important time for local people and those who live within our flight paths, who now have a once-in-a-lifetime opportunity to give their feedback and influence the future of our airspace."
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Before the final declaration on Friday, the Conservative candidate looked set to lose the City Hall race to Labour's Sadiq Khan.
The Tooting MP has been the frontrunner in the counting process ahead of Tory challenger Zac Goldsmith.
It's not just London where elections have been taking place today. There were council elections taking place across the home counties.