Philadelphia International Airport (PHL), the only major airport serving the nation's 5th largest metropolitan area, is a large hub airport accommodating more than 31 million passengers annually. Twenty-five airlines, including all major domestic carriers, offer 472 daily departures to 129 destinations worldwide. Located 7 miles from downtown Philadelphia, the Airport is easily accessible and convenient to many tourist sites, business centers, and cultural hubs. The Airport is self-sustaining and uses no local tax dollars. PHL is one of the largest economic engines in the region, generating $14.4 billion annually to the economy and accounting for 141,000 jobs.