tefi got to tell another american "heathrow only has two runways" the other day
they operate at 98% capacity
it's the 13th busiest airport in the world on movements ~450000/year, comparable to schipol, which has six runways, heh
and to avoid stacking planes around the city, incoming flights are advised to slow down by ATC, so that they arrive just in time for their slot, heh
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