WestJet Airlines Ltd. is a Canadian airline headquartered in Calgary, Alberta, near Calgary International Airport.[5] It is the second-largest Canadian airline, behind Air Canada,[6] operating an average of 777[7] flights and carrying more than 66,130[8] passengers per day. In 2018, WestJet carried 25.49 million passengers,[9] making it the ninth-largest airline in North America by passengers carried.