The new flights represent continued growth for American, which says it will offer 25% more seats on flights out of O’Hare this summer.

American Airlines Group Inc. sued the city of Chicago in a fight with rival United Airlines Holding Inc. over valuable gate space at O’Hare International Airport.

American Airlines will be adding nonstop service to seven new destinations from Chicago O'Hare in November and December, including Curacao, St. Croix, St. Maarten, Guatemala City, San Jose, Costa Rica,