The Airline Fleet mix Report summarizes the number of operations by airline operating at Midway International Airport. The report is summarized in four ways: operations for each airline during the hours of the day; operations for each airline during the nighttime hours (10 p.m. to 7 a.m.); percent of total operations for each airline during all hours of the day and percent of total operations during the nighttime hours. This report displays the average operations at Midway International Airport during the calendar quarter indicated.
The five runways at Midway are utilized at different times primarily depending upon the prevailing wind conditions on the airfield, as well as any runway maintenance. Aircraft performance requirements make it necessary for aircraft to depart and land into the wind for safety reasons.
The Runway Use Report presents the average number of daily operations on each runway, the percentage of use for each runway and a 12-month average. The percentage of use for each runway is shown graphically for departures and arrivals. This data is for all hours of the day and night and for all aircraft types during the specified quarter.
Annual Noise Report
The Aircraft Noise Report summarizes noise measurements from each of the 12 noise monitors located around the Airport. The data presented summarizes the Day-Night Average Sound Levels (DNL). DNL is a 24-hour time-averaged sound exposure level with a 10 decibel (dB) nighttime (10 p.m. to 7 a.m.) weighting to account for the lower background noise levels during the nighttime hours.
The data displays the measured aircraft DNL for each quarter and its comparison to the same quarter of the previous year, and it compares the current quarter to the 12-month average. The aircraft noise report identifies noise from the existing aircraft operations at Midway International Airport.
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First Quarter 2009 Aircraft Noise Report - coming soon
Second Quarter 2009 Aircraft Noise Report - coming soon
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2008 Data
2007 Data
2006 Data
Noise Hotline Reports
The Department of Aviation maintains a toll-free noise complaint hotline (1-800-914-8537) for citizens to express their concerns about particular incidents or aircraft noise levels in general. The noise hotline report summarizes the number of calls received. The tabular report lists the number of calls by community as well as the number of individual callers. The graph at the bottom of the page illustrates the nature of the complaint calls during the specfied quarter.
Also included are complaint calls by quarter which display seasonal trends in complaints received. Complant totals for 2007 and beyond only include calls made within the State of Illinois to the Noise Hotline.
The City of Chicago's Department of Aviation is now providing an on-line service for citizens to express their concerns about particular aircraft noise events or aircraft noise levels in general.
To enter an on-line noise complaint, please go to the following link:
Aircraft Noise Complaint Request - link to 311 City Services |
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2008 Data
2007 Data
2006 Data
Fleet Mix Summary Report -
2009