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Heathrow flight cancellations continue after fog Heathrow flight cancellations continue after fog
(35 minutes later)
Around 40 flights out of Heathrow are expected to be cancelled because of knock-on effects from fog which grounded 280 planes there on Wednesday.Around 40 flights out of Heathrow are expected to be cancelled because of knock-on effects from fog which grounded 280 planes there on Wednesday.
The airport says both arrivals and departures will be hit, although conditions are improving.The airport says both arrivals and departures will be hit, although conditions are improving.
Thursday's early morning fog has not caused any disruption to flight schedules, a spokeswoman said.Thursday's early morning fog has not caused any disruption to flight schedules, a spokeswoman said.
Problems were also reported at London City Airport, where every flight on Wednesday was delayed or cancelled.Problems were also reported at London City Airport, where every flight on Wednesday was delayed or cancelled.
Alexis Erskine, who was flying from London City to Milan said her plane was three hours late and the airport was "totally jammed".
Around 30 flights - arrivals and departures - were either late or cancelled.
Poor visibilityPoor visibility
Gatwick, Luton and Stansted airports were all operating as normal. European air traffic managers Eurocontrol said the fog was also affecting Gatwick.
A spokeswoman for the airport said it had not cancelled any flights but there were some minor, 15-20 minute delays.
Both Stansted and Luton airports said they were unaffected.
But at Heathrow, BBC reporter Nick Beake explained why the thick fog on Wednesday was still causing problems.But at Heathrow, BBC reporter Nick Beake explained why the thick fog on Wednesday was still causing problems.
"Lots of planes didn't take off, so they find themselves in the wrong area," he said."Lots of planes didn't take off, so they find themselves in the wrong area," he said.
As Heathrow runs at 99% capacity, the airport has little room for manoeuvre when air traffic controllers ask for more time between planes.As Heathrow runs at 99% capacity, the airport has little room for manoeuvre when air traffic controllers ask for more time between planes.
Heathrow flights affected include those to Lisbon, Stockholm and Vienna.Heathrow flights affected include those to Lisbon, Stockholm and Vienna.
The Met Office said visibility was very poor thanks to an early mist and fog across London and south-east England, but that it would "gradually lift" during the morning.The Met Office said visibility was very poor thanks to an early mist and fog across London and south-east England, but that it would "gradually lift" during the morning.
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