Denver International Airport wrapped up 2019 in record territory. Officials say nearly 70-million passengers filed through the gates last year, eclipsing the previous record by seven-percent. The growth last year wasn't just domestic flights. International passenger traffic increased by more than seven-and-a-half-percent. DIA is in the midst of an expansion as well, including nearly 40 new gates which will allow the airport to be able to serve 90-million passengers annually.