What is the airport code for Philadelphia, Pennsylvania?

The airport code for Philadelphia, Pennsylvania is PHL, which stands for Philadelphia International Airport. This code is derived from the city's name, with the letters "PH" representing Philadelphia and "L" denoting the airport's role as an international hub. PHL is a common designation used by airlines, travel agencies, and flight booking systems, making it essential for identifying flights to and from Philadelphia.

In contrast, the other codes provided refer to different airports: PNS is the airport code for Pensacola International Airport in Florida; MCO is for Orlando International Airport in Orlando, Florida; and PTY is the code for Tocumen International Airport in Panama City, Panama. These alternatives are entirely separate locations, highlighting that each airport has a unique code that aids in air travel coordination and logistics.