In 2006, there were 2311 airline licences issued to 1580 foreign and domestic airlines operating in Canada. Domestically, Air Canada and its partner Jazz were the largest airline in 2006 followed by WestJet. There were 45 airlines that provided service to remote communities and smaller niche markets. Each air route represents an origin destination pair between two airports that may be shared by one or more air carriers. The non-stop air routes shown on the map represent the straight line distance between two airports and not the actual flight navigation route.