Air France is the flag carrier of France and a subsidiary of the Air France-KLM Group and a founding member of the SkyTeam global airline alliance. The airline's global hub is at Charles de Gaulle Airport with Orly Airport as the primary domestic hub.
Flying Blue is the frequent flyer program of Air France-KLM and it awards members points based on miles travelled and class of service. Membership into the program is free and is divided into Standard (Ivory), Elite (Silever) and Elite Plus (Gold and Platinum) statuses. Ivory is the basic level which is attained upon entry into the program. Elite status is attained by accruing a certain number of miles within one calendar year. Elite Silver, Elite Plus Gold, and Elite Plus Platinum cards have added benefits.
To join Air France's Flying Blue, you can simply register online here.