Toronto’s downtown Billy Bishop Airport has seen a dramatic rise in passenger numbers in recent years, a trend that looks set to continue. James Careless explains how and why this is happening

Overlooking the skyscrapers of the city’s downtown area, the busy Billy Bishop Toronto Airport is booming. In something of a rags to riches tale, its transformation has been little short of remarkable. Driven almost exclusively by incumbent carrier Porter Airlines, passenger traffic has grown from 25,000 in 2006 to 2.8 million last year, making the city-centre airport the ninth busiest in Canada.