British Caledonian in the 1970s 31 March 1973 - with the BR airline designator it had inherited from BUA at the time of its formation. This resulted in exclusive use of the BR designator as a prefix for all BCal flight numbers. In 1973, BCal also inaugurated its fourth scheduled domestic trunk route between London Gatwick and Manchester. The new service was contracted to British Island Airways (BIA), BUIA's successor, which operated two daily return trips using its Handley Page Dart Herald turboprops. On 20 March 1974, BCal switched its Gatwick—Paris services to the then brand-new Charles de Gaulle Airport in the northern Paris suburb
Cancún International Airport addition of terminal 4 made Cancun International the first airport in Mexico to have four terminals. Cancún International Airport Cancún International Airport () is located in Cancún, Quintana Roo, on the Caribbean coast of Mexico's Yucatán Peninsula. It is Mexico's second busiest airport, after Mexico City International Airport, but the biggest for international passengers. In 2017, Cancún airport handled 23,601,509 passengers, a 10.21% increase compared to 2016. It has two parallel operative runways that can be used simultaneously. The airport was officially opened in 1974. The airport is operated by Grupo Aeroportuario del Sureste (ASUR). It is a focus city