This has been repeatedly proposed for busy airports like Heathrow. Unsurprisingly incumbent airlines who already have slots hate the idea though. http://travel

This has been repeatedly proposed for busy airports like Heathrow. Unsurprisingly incumbent airlines who already have slots hate the idea though. http://travelweekly.co.uk/articles/324401/heathrow-slot-auction-would-mean-higher-costs-and-less-choice http://travelweekly.co.uk/articles/324401/heathrow-slot-auct...