Runway Use Report

The The Runway Use Report presents the average percentage of use for each runway for the current month, the previous month and a 12-month average.

Aircraft Noise Report

The Aircraft Noise Report summarizes measurements from each of the 33 permanent noise monitors located around the airport.

Noise Hotline Report

The Department of Aviation maintains a noise hotline
(1-800-435-9569)for citizens to express their concern about particular incidents or aircraft noise levels in general. The noise hotline report summarizes the number of calls received, where the callers were located, and the nature of the disturbance.

Aircraft Fleet Mix Report

The Aircraft Fleet Mix Report summarizes the number and type of aircraft operating at O’Hare International Airport during both all hours of the day and during the nighttime hours.