Switzerland, Nov. 18 -- Managing air traffic in Europe's busy skies is challenging enough without unpredictable weather. Storms and turbulence can cause thousands of delays every year, forcing controllers to make rapid decisions to keep flights safe and on schedule. To improve how weather is managed, DSNA, France's air navigation service provider, has worked with SITA to trial real-time weather tools designed to give controllers the same live data already used by pilots and airline dispatchers.The proof-of-concept at the Reims Control Centre tested SITA's Enhanced Weather Awareness System (eWAS) and Mission Watch over the summer of 2025. Across 21 days with weather-related capacity impacts between July and October 2025, DSNA used these tool...