<Tr> <Th> Aircraft operations </Th> <Td> 123,335 </Td> </Tr> <Tr> <Td_colspan="2"> Source: KCI Traffic Statistics </Td> </Tr> <P> Kansas City International Airport (IATA: MCI, ICAO: KMCI, FAA LID: MCI) (originally Mid-Continent International Airport) is a public airport 15 miles (24 km) northwest of downtown Kansas City in Platte County, Missouri . In 2017, 11.50 million passengers used the airport . </P> <P> Its largest carriers are Southwest Airlines and Delta Air Lines, both having many daily flights in Terminal B . </P>

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