Bad weather conditions in the United States continue to cause serious disruption to the aviation industry. The number of cancelled connections has risen to more than 3,000, while around 6,000 flights are delayed, even by many hours. Four airports are in great difficulty: Denver, Chicago-Midway, "Harry Reid" of Las Vegas, Baltimore-Washington.

The data derive from the analysis of the specialized website "FlightAware", which monitors air traffic in real time, but the numbers are destined to grow in the next few hours. Most of the cancelled flights had to be operated by Southwest Airlines, which alone accounted for 64% of the cancellations made yesterday, on Tuesday 27 December.

The disruptions in transport also affect the road and rail sectors. They are linked to the blizzard that has so far caused more than 60 deaths across the country. Thousands of families without electricity. Temperatures plummeted to -40C at Christmas. W estern area is affected, especially New York State. After the heavy snowfalls of these days, possible flooding caused by melting snow is expected in the lake area.