A new air traffic control system, currently under development, is expected to avoid disruptions similar to the one experienced on Monday, according to a Trump administration official. The incident highlighted the vulnerabilities of the United States' aging air traffic control infrastructure. Transportation Secretary Elaine Chao and others have emphasized that the new system will be more resilient, designed to prevent problems like the telecommunications outage that caused major flight delays and cancellations across the country. The incident began when a telecommunications switch failed and a fiber optic cable was accidentally cut, leading the Federal Aviation Administration (FAA) to ground flights for hours in major East Coast cities like New York, Philadelphia, Boston, and Washington, D.C. The outage disrupted over 9,500 flights, with more than 600 flights canceled at Newark Liberty International Airport alone, a key hub for United Airlines. By Tuesday morning, operations had largely returned to normal, though delays and cancellations continued into the day. The event exposed the fragility of the aging air traffic control system, which has long been in need of modernization. Congress approved $12.5 billion last year to upgrade the system, but costs for telecommunications improvements have risen from $4.75 billion to $5.91 billion, according to a recent government report. FAA Administrator Bryan Bedford has stated that outdated copper telephone lines should be fully replaced by September 2027 to improve reliability and reduce the risk of future outages. The incident began around 9:45 a.m. on Monday when workers accidentally severed a New Jersey telecom line used by the FAA. This disruption occurred just as 130 world leaders and dozens of ministers arrived in New York for the United Nations General Assembly. The FAA suspended arrivals at several major airports, including New York’s three main airports, Philadelphia, Washington Reagan National Airport, and Boston Logan International Airport. The system took eight hours to fully recover, forcing over 100 flights to divert to other airports.