Radar Failure at Paris-Orly Sparks Massive Flight Disruptions, Exposes Air Traffic Vulnerabilities
May 18, 2025
Experts predict that the air traffic disruption could have a domino effect, potentially causing ongoing traffic issues through at least May 20, 2025.
The DGAC has issued apologies to affected travelers and expressed gratitude to airlines and Aéroports de Paris for their cooperation during the disruption.
On May 18, 2025, a significant breakdown in air traffic control at Paris-Orly airport led to the cancellation and delay of hundreds of flights, severely impacting thousands of passengers.
The disruption was attributed to a radar malfunction, although specific details regarding the failure have not been disclosed by the DGAC.
In response to the chaos, the DGAC requested airlines to reduce their flight schedules by 40% for the remainder of the day, aiming to restore normal operations as quickly as possible.
The incident has had widespread implications for European air travel, with regional airports absorbing redirected flights and hotels near Orly experiencing a surge in demand from stranded travelers.
Thousands of travelers were left stranded, leading to nearby hotels filling quickly as passengers sought emergency accommodations.
This incident has exposed vulnerabilities in airline operations, prompting calls for improved resilience in the face of technical failures.
The operational crisis is expected to have serious implications for the tourism industry, particularly affecting cities reliant on Paris-Orly connections.
The failure raises questions about the modernization of air traffic control systems in France and the EU, as authorities may face increased scrutiny regarding system reliability.
Overall, this incident underscores the urgent need for modernization and improved safety protocols in global air traffic infrastructure to prevent future disruptions.
Despite efforts to stabilize operations, further delays are anticipated as the airport works to recover from the chaos.
Summary based on 43 sources
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Sources

The Washington Post • May 18, 2025
Flights reduced by 40% at Paris-Orly airport after traffic control systems break down
The Independent • May 19, 2025
Paris-Orly airport: Traffic control systems break down, leading to flight numbers being significantly reduced
