Since ORD's traffic level is at a point where you need multiple departure and arrival runways to be used at the same time, they needed to keep a large number of runways.
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Chicago O'Hare - an eight-runway behemothIf you want to see as many runways as possible serving a single airport, look no further than Chicago O'Hare International (ORD). The windy city's intercontinental mega-hub features no less than eight separate landing strips, as well as a helipad.
Larger airports usually have several runways in different directions, so that one can be selected that is most nearly aligned with the wind. Airports with one runway are often constructed to be aligned with the prevailing wind.
Atlanta Hartsfield-Jackson International Airport remains the busiest airport in the world with 5.2 million seats in September 2023. The composition of the Global Top 10 Busiest Airports is also the same as last month but there are a few changes to the rankings.
Shigatse Peace Airport, China (runway length: 5,000m)Shigatse Peace Airport (RKZ), a dual-use military and civilian airport in Shigatse, Tibet hosts the longest runway in the world. The new runway (09/27) stretches 5,000m (16,404 ft) long with a 60-meter asphalt overrun at each end.
Irausquin Airport (IATA: SAB, ICAO: TNCS) is an airport on the Dutch Caribbean island of Saba. Its runway is widely acknowledged as the shortest commercial runway in the world, with a length of 400 m (1,312 ft).
Denver International Airport (DEN) has six runways – five measure 12,000 feet in length (3,600 meters), and the sixth measures 16,000 feet – more than three miles long (4,800 meters). The 16,000-foot runway (16R/34L) is the longest commercial runway in North America.
It has very sophisticated facilities that include an underground pedestrian walkway connecting the two concourses, brightened by a neon light show. It has world-class public art exhibits and entertainment. And in today's always-on world, O'Hare has all the devices to keep you connected.
United Airlines (including United Express) is the largest airline at O'Hare, carrying over 45% of passengers. O'Hare is the second-largest hub for United, after Houston-Bush.