Question: is pdx a big airport?
Answer: Portland International Airport (IATA: PDX, ICAO: KPDX, FAA LID: PDX) is a joint civil–military airport and the largest airport in the U.S. state of Oregon that accounts for 90% of passenger air travel and more than 95% of air cargo of the state. ... The airport covers 3,000 acres (1,214 ha) of land.