FOX 21 News, KQDS-DT

DULUTH - Business is picking up at the Duluth International Airport. Last year they had their second busiest passenger year ever, the busiest happened in 2007.

In 2012 the airport saw a nine percent increase in the amount of people passing through from 2011.

Last year 322,208 passengers went through their doors and airport officials say it proves the demand for flights in and out of Duluth is increasing.