Welcome to Chicago Rockford - The world’s fastest growing cargo airport on the planet!This airport features the latest layout of the airport as of 2024, with custom buildings, ground equipment and more throughout the airport. The main airline serving Chicago Rockford is Allegiant Air, flying to several destinations. Apart from being the fastest growing cargo airport, Rockford serves as a key alternate airport to Chicago O’Hare. Get in your favorite freighter aircraft and explore Chicago Rockford... Welcome to Chicago Rockford - The world’s fastest growing cargo airport on the planet!This airport features the latest layout of the airport as of 2024, with custom buildings, ground equipment and more throughout the airport. The main airline serving Chicago Rockford is Allegiant Air, flying to several destinations. Apart from being the fastest growing cargo airport, Rockford serves as a key alternate airport to Chicago O’Hare. Get in your favorite freighter aircraft and explore Chicago Rockford today!