Who is American Airlines partner headquartered in Barnstable Municipal Airport. 
Cape Girardeau Regional Airport:  The airport is used for general aviation, and has scheduled service by American Airlines partner Cape Air with subsidized Essential Air Service program flights to Lambert-St. Cape Air: Hyannis Air Service, Inc., operating as Cape Air, is an airline headquartered at Barnstable Municipal Airport in Barnstable, Massachusetts, United States.
Cape Air