If United receives the requisite government approval, the flights will operate five times weekly from May 22 to June 11, daily between June 12 and September 1 and four times weekly between September 2 and October 5, 2014.
Read moreFrom April 2013, Virgin Atlantic will operate six round-trips a day between Heathrow and Edinburgh, and three between Heathrow and Aberdeen. It will also use three of its existing Heathrow slot pairs to fly three daily round-trips between Heathrow and Manchester from March 31.
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