Malden is listed in the National Plan of Integrated Airport Systems, which identifies airports that are significant to national transportation.

According to the FAA's National Plan of Integrated Airport Systems for 2009-2013, it is categorized as a general aviation facility.

According to the FAA's National Plan of Integrated Airport Systems for 2009-2013, it is categorized as commercial service - primary.

This is included in the National Plan of Integrated Airport Systems for 2011-2015, which categorized it as a general aviation facility.

Sand Point Airport is included in the FAA's National Plan of Integrated Airport Systems (2009-2013) as a commercial service - non-primary facility.

It is included in the National Plan of Integrated Airport Systems for 2011-2015, which categorized it as a general aviation facility (the commercial service category requires at least 2,500 enplanements per year).

It included in the National Plan of Integrated Airport Systems for 2011-2015, which categorized it as a primary commercial service airport (more than 10,000 enplanements per year).

The FAA's National Plan of Integrated Airport Systems for 2007-2011 categorized this as commercial service airport.

According to the FAA's National Plan of Integrated Airport Systems for 2007-2011, it is a primary commercial service airport.

According to the FAA's National Plan of Integrated Airport Systems for 2011-2015, Niagara Falls International was classified as a reliever airport.