It is sometimes not realized that when people search for routes, it gets noted.

A major aviation website has just reported that 95,000 people have searched for Chicago-Sofia as their destination of choice (despite no such route existing). As a result of this news, the route has just been designated 'unserved route of the week.'
Industry insiders say that United or American are in pole position for the new service.150,000 Bulgarians live in Chicago, and 200,000 in the Illinois area. Keep checking here or on www.paylessflights.com for more news.