KDPA is the only general aviation airport in Illinois with four active runaways, two ILS approaches, and a 24-hour FAA Air Control Tower. DuPage Airport has a 7,570-foot runway, an on-site U.S. Customs office and the largest operational maintenance staff of any general aviation airport in Illinois.

• 2800 Acres
• Elev 759
• Several aviation related service partners including The Illinois Aviation Academy, Travel Express Aviation, Planemasters, Avel Flight School and the ATP Flight School.
• DuPage Airport has four runways. The longest, and the reason for its status as a reliever airport, is runway 2L/20R, which is a Group IV-compliant concrete runway at 7,571 ft × 150 ft (2,308 m × 46 m). Its slightly smaller partner, 2R/20L, is another concrete runway with dimensions of 6,451 ft × 100 ft (1,966 m × 30 m). Two asphalt general aviation runways complete the arrangement: runway 10/28 at 4,750 ft × 75 ft (1,448 m × 23 m) and 15/33 at 3,399 ft × 100 ft (1,036 m × 30 m).

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