OS Airline Code, Austrian Airlines
OS is the IATA airline code for Austrian Airlines based in Austria. The airline also has the 3-letter ICAO code AUA, and its radio callsign is "Austrian". The open dataset lists 240 scheduled routes for the carrier, placing it at number 69 among airlines worldwide. You will see OS as the two-character prefix on its flight numbers, for example OS123.
What is the Austrian Airlines airline code?
The IATA airline code for Austrian Airlines is OS. This two-character code prefixes the airline's flight numbers and appears on tickets and schedules. The three-letter ICAO code AUA 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 Austrian Airlines?
The IATA airline code for Austrian Airlines is OS. Its ICAO code is AUA.
What is the abbreviation for Austrian Airlines?
The two-character IATA abbreviation for Austrian Airlines is OS, and its three-letter ICAO code is AUA.
What airline is OS?
OS is the IATA code for Austrian Airlines, based in Austria.
What is the ICAO code for Austrian Airlines?
Austrian Airlines uses the ICAO airline code AUA and the radio callsign "Austrian".
What country is Austrian Airlines based in?
Austrian Airlines (OS) is based in Austria.
What is the radio callsign for Austrian Airlines?
Air traffic control refers to Austrian Airlines by the radio callsign "Austrian".
Routes flown by Austrian Airlines
Some of the busiest routes Austrian Airlines (OS) appears on in the open route dataset, with distance and typical flight time: