Manchester–Boston Regional Airport a "tag-on" for United flights heading from Bangor and Portland, Maine, to Chicago, but the carrier no longer serves either city with mainline aircraft. In the early 1990s, United Airlines began flights between Manchester and Washington Dulles International Airport near Washington, D.C. But creation of a north–south hub at Dulles did not work for United, and heavy competition in this market led to a quick exit. The Boeing 737 was used for this short-lived service, which comprised about four daily circuits between the two airports. US Airways started service at Manchester in early 1986, by connecting their hubs at Pittsburgh
Mexico City International Airport Mexico City International Airport Mexico City International Airport (); officially "Aeropuerto Internacional Benito Juárez" (Benito Juárez International Airport) is an international airport that serves Greater Mexico City. It is Mexico's and Latin America's busiest airport by passenger traffic and aircraft movements. The airport sustains 35,000 jobs directly and around 15,000 indirectly in the immediate area. The airport is owned by Grupo Aeroportuario de la Ciudad de México and operated by Aeropuertos y Servicios Auxiliares, the government-owned corporation, which also operates 22 other airports throughout Mexico. In recent years Toluca Airport has become an alternate airport. This hot and high airport