http://www.independent.ie/lifestyle/travel/travel-news/ http://www.independent.ie/lifestyle/travel/travel-news/single-men-most-likely-to-get-a-flight-upgrade-29288748.html http://www.independent.ie/lifestyle/travel/travel-news/single-men-most-likely-to-get-a-flight-upgrade-29288748.html A poll of airline staff has suggested that single men in their thirties have the best chance of getting a free upgrade on a flight. Travel News Wed, 22 May 2013 16:29:28 +0100