A walkout by French air traffic controllers is expected to cause significant disruptions to flights in and out of Paris Tuesday night and all day Wednesday.
Winter weather poses a challenge to the airlines and pilots operating aircraft. Yet the airline industry maintains an excellent safety record despite the potentially hazardous conditions.
Scores of people were feared to have been killed after a passenger plane crashed in the western Democratic Republic (DR) of Congo on Wednesday morning, officials said.
A Chinese airport temporarily closed on Tuesday amid fears that one of the passenger planes could collide with an unidentified flying object that was seen in the area.