Passenger services operate to a small number of European destinations.
Western European destinations are far out of the way; they would virtually double the cost.
Hotwire has added several European destinations to its portfolio this year, and plans to add more.
Madrid is considered one of the top European destinations concerning art museums.
Companies offering winter packages to European destinations are also motivated.
The agreement applies to flights to over 40 European destinations served by the two airlines.
It also said it would cut its European destinations to 41 from 56.
American carriers currently have limited ability to fly between European destinations.
Klagenfurt is in a central location for many other great European destinations.
The new airline has plans to begin service to European destinations.
