Grupo Aeroméxico is a full-service airline headquartered in Mexico City, Mexico, specializing in international and domestic air transportation services. It operates a route network connecting Mexico with 43 international cities across 22 countries in North America, South America, Europe, and Asia. As the leading airline at Mexico's largest airport, MEX, it holds 39% of the passenger traffic on Mexican and international routes and is the only Mexican airline to join the SkyTeam alliance.