at the time. A $50 million renovation of the airport's terminal building, designed by Levin Porter Associates, was completed in 1989. A new two-lane access road was built. In 1998 the airport started renovating the terminal building. The $25 million projects was completed in 2002. The renovations included energy-efficient climate control systems, lighting, windows and entry/exit doorways, a new paging system, and ceiling tiles and carpeting. The news, gift shops, and food and beverage concessionaires improved their leased areas in the terminal building. In 2004, CNF (which had acquired Emery Worldwide in 1989) sold its Menlo Forwarding business to UPS, who operated the Menlo freight facility at Dayton as an air cargo hub and sorting center. In June 2006, UPS ceased operations at the Menlo cargo facility, consolidating its cargo operation and sorting facility to its Louisville hub, and reducing cargo tonnage through the Dayton airport by 97% from its 2005 peak On May 1, 2011 Air Canada Express ended flights to Toronto Pearson, the airport's only international destination, when the airline consolidated its service at Cincinnati/Northern Kentucky International Airport. Dayton now has no scheduled international flights. On August 12, 2012 Southwest Airlines began serving Dayton with flights to Denver International Airport. This was expected to increase passenger traffic by at least 15 percent. In 2013 Concourse D, built in 1978 and used by Piedmont Airlines and US Airways for their mini-hub operation until its closure in 1991, was demolished. Concourse C was renamed Concourse A. In 2015 Southwest Airlines announced a reduction in flights from Dayton: nonstop flights to Baltimore, Denver, Orlando, and Tampa all ended April 11, 2016. This left one nonstop destination from Dayton via Southwest. Passenger traffic is down nearly 9% since 2014, along with aircraft departures down 8%. Fares from Dayton have continued to rise while neighboring airports are lowering fares with new low-cost carriers. Cincinnati/Northern Kentucky International Airport has drastically reduced fares since 2014 while also experiencing over 10% growth in passengers. On November 19, 2015, Dayton officials announced that Allegiant Air would add service in April twice a week to Orlando and Tampa. Allegiant Air would become the only low-cost fare carrier at the airport and would fill the gap left by Southwest Airlines reduction in flights to Florida. On January 4, 2017, Southwest announced that it would end its flights to Chicago Midway and move services to Cincinnati/Northern Kentucky International Airport, adding