How many runways does O'Hare Airport have?

O'Hare International Airport, one of the busiest airports in the world, has 8 runways. The design and number of runways are critical for managing the airport's high volume of air traffic, allowing for efficient takeoffs and landings in varying wind conditions. The runways at O'Hare are arranged in a parallel and cross configuration, which optimizes their usage and enhances safety. This structured layout is vital for the airport's operational efficiency, especially during peak travel times. Thus, the correct answer highlights the significant infrastructure that supports O'Hare's position as a major hub in the aviation industry.