Where the 'X' in PDX comes from

Portland International Airport is commonly known as ‘PDX,’ but the story behind where the ‘X’ comes from may not be as widely known.

PORTLAND, Ore. — Portland International Airport has become well-known for a cultural phenomenon: As part of a tradition, travelers take photos of their feet against the famous green carpet. The airport is also well-known as ‘PDX,’ but where the ‘X’ comes from may not be common knowledge.

More than 19 million passengers traveled through PDX in 2019. It’s ranked as America’s favorite airport, according to Travel + Leisure magazine — a mark Oregon’s busiest airport has held multiple times before. 


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