<page_title> List of busiest airports in the United Kingdom </page_title> <section_title> 2017 / 2018 data </section_title> <table> <cell> 20 <col_header> Rank 2018 </col_header> <col_header> 2017 </col_header> </cell> <cell> Cardiff <col_header> Airport </col_header> <col_header> 2018 </col_header> </cell> </table>
In 2018, Cardiff Airport was the 20th busiest airport in the UK.