The Union Pearson Express (UP Express) is a passenger train service in the Greater Toronto Area, running between Canada's two busiest transportation hubs, Union Station in Downtown Toronto, and Toronto Pearson International Airport. The UP Express began operation on June 6, 2015, in time for the 2015 Pan American Games. The UP Express travels between Union and Pearson in 25 minutes departing every 15 minutes, seven days a week.