CitizenPlane is an online platform for airlines to sell their unfulfilled demand on flights. Despite the company having an IATA code, it is not an airline. The company does not operate any flights, it only sells flights on behalf of an airline under it's own IATA code.
CitizenPlane is operating flights from/to 24 airports in 12 countries: Germany, France, Denmark, Austria, Italy, Egypt, Switzerland, Portugal, Spain, United Kingdom and other destinations.