Simplify the following text for a Grade 8 native English-speaking person.
Original: Chicago O'Hare International Airport , also known as O'Hare Airport , O'Hare Field , or simply O'Hare , is a major airport located in the northwestern-most corner of Chicago , Illinois , United States , 17 m northwest of the Chicago Loop .
Simplified: O'Hare International Airport is an airport on the edge of Chicago , Illinois .