Men are less likely to talk than women with 54% of women having had a conversation compared to 37% of men.
Pay Rise For Heathrow Boss
The head of Heathrow, who admitted the airport was "overwhelmed" by the pre-Christmas snow, had an £151,000 pay rise last year.
Colin Matthews, chief executive of airport operator BAA, saw his pay increase to £971,000.
BAA says he stopped making contributions to the company's pension scheme and was given equivalent cash payments instead.
Mr Matthews did not claim his annual bonus - believed to be between £400,000 and £500,000 - after the chaos which left thousands stranded at Heathrow just before Christmas.
The company has been criticised for not being more prepared for the bad weather.
Meanwhile it's six UK airports, including Heathrow and Stansted handled 7.1 million passengers in February - a 0.2% fall on in 2010.
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