The Chicago Department of Aviation provides WebTrak as a tool to track the flight activity into and out of Chicago O'Hare International Airport and Chicago Midway International Airport, along with information about each aircraft.

New weather features are now available in the system including a weather panel and a rainfall layer option, which illustrate how weather events such as thunderstorms can impact aircraft positions. View Presentation

In 2017, the Federal Aviation Administration gave a presentation to the Technical Committee about the impact of severe weather on air traffic at O'Hare. View Presentation