British Airways said it planned to operate a full schedule from London's Heathrow Airport Sunday, after days of severe disruption caused by lingering freezing fog.
Heathrow, Europe's busiest airport, said almost 95 percent of flights operated Saturday, after the fog finally lifted.
Mark Bullock, Heathrow managing director for airport operator BAA PLC, said, "We can expect to see normal services resume by the end of today."
BA, the airport's biggest operator, was using bigger planes on some routes and running buses to domestic destinations to help clear the backlog at Heathrow, where hundreds of flights were canceled this week amid the busy pre-Christmas travel season.
Heathrow said 74 of 1,300 scheduled flights were canceled Saturday, just over 5 percent of the total.
The fog set in on Tuesday, forcing thousands of passengers to camp out in chilly airport terminals - some for several days - while waiting to rebook a flight.
Many others gave up on flying and used buses, trains or ships to reach their destinations in Britain or European cities such as Paris or Brussels.
Airlines including BA continued to operate many of their long-haul flights during the fog, which seriously reduced the visibility of pilots and forced longer gaps between takeoffs and landings.
Some rail travelers faced more delays Sunday, as conductors on the Central Trains franchise in central England walked out in a 24-hour strike over holiday pay.
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