Between Kansas City International Airport and Bismarck Municipal Airport, which airport is categorized as a primary commercial service airport?
Kansas City International Airport:  In 2016, 11.04 million passengers used the airport. Bismarck Municipal Airport: Bismarck Municipal Airport (IATA: BIS, ICAO: KBIS, FAA LID: BIS"') is in Burleigh County, North Dakota, three miles southeast of the City of Bismarck, North Dakota, which owns it.
i don't know