Delta Air Lines, Inc. is one of the largest airlines in the United States and a founding member of the SkyTeam alliance. Founded in 1928 and now headquartered in Atlanta, the company began as a company providing pesticide spraying services and later began to add passenger services. Delta Air Lines' routes cover more than 300 destinations in more than 60 countries around the world. The official website of Delta Airlines provides services in multiple languages ​​including Simplified Chinese. Users can complete ticket booking, boarding pass printing and other services on its official website.