<page_title> List of the busiest airports in the United States </page_title> <section_title> Busiest US airports by total passenger boardings </section_title> <table> <cell> 13 <col_header> Rank (2017) </col_header> </cell> <cell> PHX <col_header> IATA Code </col_header> </cell> </table>
PHX ranks the thirteenth-busiest airport in the United States in passenger boardings.