Canadian Airlines International Ltd. was a Canadian airline that operated from 1987 until 2001. The airline was Canada’s second largest airline after Air Canada, carrying more than 11.9 million passengers to over 160 destinations in 17 countries on five continents at its height in 1996. Canadian Airlines served 105 destinations in Canada, more than any other airline. Canadian Airlines was also a founding member of the Oneworld airline alliance. Canadian Airlines was headquartered in Calgary, Alberta, and had revenue of approximately $3 billion at the end of 1999. The airline and its aircraft were acquired by Air Canada in 2000, and the merger was officially completed on January 1, 2001.