NK Airline Code, Spirit Airlines
NK is the IATA airline code for Spirit Airlines based in United States. The airline also has the 3-letter ICAO code NKS, and its radio callsign is "Spirit Wings". The open dataset lists 242 scheduled routes for the carrier, placing it at number 68 among airlines worldwide. You will see NK as the two-character prefix on its flight numbers, for example NK123.
What is the Spirit Airlines airline code?
The IATA airline code for Spirit Airlines is NK. This two-character code prefixes the airline's flight numbers and appears on tickets and schedules. The three-letter ICAO code NKS is used in flight plans and air traffic control.
IATA airline codes are two characters and can reuse letters over time, so a retired airline's code may later be assigned to another carrier. ICAO codes are three letters and are more stable, which is why flight plans use them.
Frequently asked questions
What is the airline code for Spirit Airlines?
The IATA airline code for Spirit Airlines is NK. Its ICAO code is NKS.
What is the abbreviation for Spirit Airlines?
The two-character IATA abbreviation for Spirit Airlines is NK, and its three-letter ICAO code is NKS.
What airline is NK?
NK is the IATA code for Spirit Airlines, based in United States.
What is the ICAO code for Spirit Airlines?
Spirit Airlines uses the ICAO airline code NKS and the radio callsign "Spirit Wings".
What country is Spirit Airlines based in?
Spirit Airlines (NK) is based in United States.
What is the radio callsign for Spirit Airlines?
Air traffic control refers to Spirit Airlines by the radio callsign "Spirit Wings".
Routes flown by Spirit Airlines
Some of the busiest routes Spirit Airlines (NK) appears on in the open route dataset, with distance and typical flight time: