The last time the Justice Department reviewed an airline merger was in 2005, when it approved the marriage of US Airways and America West (nyse: LCC - news - people ).

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The result is that now all of the main mayoral candidates have signed up to the LCC's campaign promising to "commit to continental-standard cycling infrastructure in the capital".

BBC: How cycle safety has gone up the election agenda in London

The bigger winner was US Airways Group ( LCC) , which has gained 135.1 percent year to date as it pushed to new 52-week highs.

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