Operations: Fort Worth Center is one of 21 ARTCCs in the United States and covers portions of 5 states (Texas, New Mexico, Oklahoma, Arkansas and Louisiana), covering over 174,000 square miles of airspace. Within the Fort Worth Center area, there are 18 radar approach control facilities, and 87 airports with instrument approaches. Among these, the Dallas/Fort Worth airport (DFW) is consistently one of the world's busiest, and weather conditions affecting DFW arrivals and departures can have a major impact on the entire National Airspace System (NAS). This center handles over 2 million aircraft operations per year, or almost 6000 per day. Our hours of operation are from 5:30 AM to 9:30 PM daily.