DSNA, the French air navigation services provider, have executed a successful pilot of SITA’s weather intelligence technology.
During a proof-of-concept at the Reims Area Control Centre, DSNA tested SITA’s Enhanced Weather Awareness System (eWAS) and Mission Watch over 21 days from July to October 2025. Originally developed for airlines, these SITA products provide continuous real-time updates on global weather.
During the pilot, DSNA were able to use that information to plan traffic flow significantly more effectively. The authority reported that they were able to reduce delays by up to 65% and handle 2,700 more flights, resulting in an extra €2 million in revenue.
Gael Barbezier, Head of Operations at Reims ACC, commented:
Weather is one of the biggest challenges for air navigation service providers. Working with SITA allowed us to maintain full safety, avoid any weather-related uncontrolled situations, and adjust capacity precisely to the weather avoiding unnecessary reductions in traffic. It feels like we’ve found the key to bringing stability to something that has always been unpredictable.
Unexpected disruption due to weather events can seriously derail airport operations. Earlier this year, stormy weather and poor visibility led to the closure of Nice Airport after two aircraft nearly collided on the runway. With the number of severe weather events only set to increase due to climate change, it is imperative to find better solutions for managing air traffic whatever the climate conditions.
Yann Cabaret, the CEO of SITA for Aircraft, added:
When controllers, pilots and dispatchers all see accurate, real-time weather information, they can plan and adapt together. That means fewer delays, smoother operations and safer flights for passengers.
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