Each seat in the airline's domestic first class ... It is also the United destination that has the most Airbus A319 operations for the carrier. In addition to United, operators like Delta Air ...

Philadelphia International Airport (PHL) is one of American Airlines’ largest hubs. The airport served nearly 31 million ...

The tenth most significant European megahub is Barcelona, ranked 43 among the global megahubs. This airport has 23,204 connections and 227 connections.