Air travel disruptions in Germany. Most flight connections at Duesseldorf and Cologne-Bonn airports were cancelled today due to a 24-hour strike called by the Verdi union. The inconvenience also affects other sectors such as local transport, schools (nurseries) and public administration (offices). At noon today, only 89 of the 330 scheduled flights were operated at the Düsseldorf airport, while 29 w...