By CBS3 Staff

PHILADELPHIA (CBS) — The Philadelphia International Airport celebrated its 80th birthday this weekend. It was 80 years ago Saturday that the airport was officially dedicated.

This is how the airport looked in 1940.

Credit: Airporthistory.org

It has gone through incredible expansions and renovations since it opened.

The airport now hosts 25 airlines.

In a typical year, Philadelphia International serves more than 32 million passengers.