Indigo Partners, and WOW air, the Icelandic airline based in Reykjavik, have agreed in principle for Indigo to invest in WOW. WOW air is an ultra-low-cost carrier currently serving 25 destinations across Europe and North America. Financial terms were undisclosed. "WOW’s management and employees have done a remarkable job in creating a well-regarded, successful brand. We have a strategic vision for the airline, and look forward to working with its employees and agents to deliver that vision.” Bill Franke, Indigo Partners Managing Partner.