Complex sentence: The airport is the main global hub for Amazon Prime Air and is the largest global hub for DHL Aviation and DHL Express, ranking 6th in North America and 34th in the world for total cargo operations.
Split into simpler sentences: The airport is the main global hub for Amazon Prime Air and is the largest global hub for DHL Aviation and DHL Express. Overall, CVG ranks 6th in North America and 34th in the world for total cargo operations.