First of all, there are four competitive alliances that are being built: Star;  Oneworld;  Wings, which is led by Northwest and KLM;  and Delta and Air France are starting one of their own.
Premièrement, quatre alliances concurrentielles sont en train de se former: Star;  oneworld;  Wings, alliance dirigée par Northwest et KLM;  de leur côté, Delta et Air France sont en train d'établir la leur.