<page_title> List of busiest passenger air routes </page_title> <section_title> World </section_title> <table> <cell> 2 <col_header> Rank </col_header> </cell> <cell> Australia Sydney <col_header> Airport 1 </col_header> </cell> <cell> Melbourne <col_header> Airport 2 </col_header> </cell> </table>
The Melbourne–Sydney air route is the second busiest passenger air route in the world.