Passengers at London airports

The CAA collects statistics from all United Kingdom airlines. Monthly aggregate information is supplied on each route served together with quarterly returns of fleet and personnel data and, for the major carriers, annual standardised profit and loss accounts and balance sheets. Reports are provided each month. London airports are deemed to be: Heathrow, Gatwick, Stansted and City airports only. Data are initially released on a provisional basis and may subsequently be revised. [](http://data.london.gov.uk/passengers-at-london-airports/)