KLM has canceled forty flights to and from Schiphol on Thursday as a precautionary measure due to predicted fog. This follows almost a hundred European flights being canceled on Wednesday for the same reason. Dense fog has been present since Wednesday morning, causing significant disruptions at airports. Schiphol and Eindhoven Airport have experienced numerous delays, with 96 flights canceled altogether. KLM had already warned in the morning that the fog would persist throughout the day, indicating that the inconvenience is not expected to end soon. Schiphol had previously announced that over a hundred flights were canceled on Wednesday. Currently, approximately eleven hundred flights are scheduled. In anticipation of the fog on Thursday, KLM is taking further precautions, canceling forty flights.