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Businessman's four-day ordeal at Heathrow Airport

21 January 2013 Last updated at 11:57 GMT

Ian Aitchison arrived at Heathrow at midday on Friday, well in time for his flight to Las Vegas.

He first spoke to the Today programme on Saturday morning, having spent six hours on a plane that didn't leave, then a night in a nearby hotel.

But on Monday morning he still had not taken off.