Ever wonder what the three letter code meant? How it originated?
What the heck is ORD? DCA? IAD?
Did you know Dulles International Airport used to be DIA at one time… to remove confusion from District of Columbia Airport, DCA, it was renamed IAD? Or that ORD was actually ORcharD field airport, before being renamed O’Hare?
Airport codes demystified… now you can find out how an airport got it’s 3 letter code, all in one place here.
Photo: Courtesy Airport Codes