The website of Key West International Airport provides a list of airlines that serve the airport together with contact telephone numbers and destinations. The "Terminal Info" tab on the site's home page guides the user to these details.
The airport is served by American Eagle, Cape Air, Delta Air Lines, Silver Airways, Southwest Airlines and US Airways Express. Some flights are seasonal: Delta's to New York and US Airways Express flights to Charlotte and Washington. Most other flights are within the state of Florida, though Southwest Airlines has a service to New Orleans and Delta Air Lines serves Atlanta in Georgia.