Plattsburgh International Airport June 14, 2012, offering up to three flights daily to Boston on a variety of turboprop regional airliners. After Colgan Air went defunct, the relatively unknown Alaska-based airline PenAir was chosen as its replacement when the airline decided to serve destinations in the northeast U.S. PenAir serves Plattsburgh similarly with two to three daily flights to Boston Logan International Airport, exclusively using Saab 340 aircraft. PenAir was selected as Colgan's replacement and offers to two daily flights to Boston, subsidized by the Essential Air Service program. The airport is also served by Spirit Airlines with non-stop service to Fort Lauderdale
Duluth International Airport Duluth International Airport Duluth International Airport is a city owned, public use joint civil-military airport located five nautical miles (9 km) northwest of the central business district of Duluth, a city in Saint Louis County, Minnesota, United States. It serves the Twin Ports area, including Superior, Wisconsin. Mostly used for general aviation but also served by three airlines, it is Minnesota's third-busiest airport, behind Minneapolis–St. Paul International Airport (MSP) and Rochester International Airport. The Minnesota Air National Guard's 148th Fighter Wing, equipped with F-16C Fighting Falcons, is based at Duluth Air National Guard Base, which is located on the grounds