Air Canada hits bottom 20 of global airline ranking, but where do others stand?

A new ranking of 109 airlines that fly internationally has been released and three Canadian companies have made the list, but their placements are mixed. Global’s Sean Previl reports on where Canada’s other airlines fell, what placements some Canadian airports hit in a ranking earlier this year, and why at least one expert says not to rely on just one ranking if you’re planning on booking a flight.