One of the world's largest and most prestigious airlines, Lufthansa, serving 22 North American gateways, currently flies to 194 destinations in 76 countries. The air carrier offers hubs in Frankfurt and Munich. With the Lufthansa Group acquisition of Austrian Airlines, SWISS and Brussels Airlines, additional hubs include Vienna, Brussels, and Zurich. The entire Group flew a total of 89 million passengers from January to November 2016. In 2017’s summer schedule, the Group airlines offer almost 20,000 weekly frequencies to 289 destinations in 103 countries worldwide.