AC Airline Code, Air Canada
AC is the IATA airline code for Air Canada, based in Canada. Its ICAO code is ACA and its radio callsign is "Air Canada".
What airline is AC?
AC is the IATA airline code for Air Canada, based in Canada. Its ICAO code is ACA and its radio callsign is "Air Canada".
With 705 scheduled routes in the open dataset, it is one of the most connected carriers in the world, ranked number 19 by routes. You will see AC as the two-character prefix on its flight numbers, for example AC123.
| IATA airline code | AC |
|---|---|
| ICAO airline code | ACA |
| Radio callsign | Air Canada |
| Country | Canada |
| Alliance | Star Alliance |
| Scheduled routes | 705 (ranked #19) |
| Most routes at | YYZ Toronto |
| Status | Active |
What is the airline code for Air Canada?
The IATA airline code for Air Canada is AC, and its ICAO code is ACA. The two-character IATA code prefixes the carrier's flight numbers, for example AC123.
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.
Where the AC code comes from
AC is the initials of Air Canada, a founding member of Star Alliance in 1997. The airline began in 1937 as Trans-Canada Air Lines with the code TC, and took AC when it adopted the Air Canada name in 1965, one of the cleaner examples of a code changing with a rebrand.
More on how these identifiers work in what an IATA code is and airline callsigns.
What are Air Canada's hub airports?
Air Canada (AC) concentrates its network on YYZ (Toronto), YVR (Vancouver), YUL (Montréal), YYC (Calgary).
Which airport does Air Canada serve most?
Air Canada (AC) appears on more routes at YYZ, Toronto, than at any other airport in the open route dataset.
The airports Air Canada appears at most often in that dataset, most routes first:
Routes flown by Air Canada
The busiest pairs Air Canada (AC) is listed as operating in the open route dataset (codeshare-only listings excluded), with distance and typical flight time:
Route and carrier data comes from the OpenFlights open dataset, regenerated here on . It is a historical snapshot of scheduled connections, not a live schedule, and it includes codeshare listings, so some carriers shown may no longer operate the route or exist. How we build this · Data and sources.
Frequently asked questions
What is the ICAO code for Air Canada?
Air Canada uses the ICAO airline code ACA and the radio callsign "Air Canada". Flight plans and air traffic control use ACA, while tickets and schedules use AC.
What is the radio callsign for Air Canada?
Air traffic control refers to Air Canada by the radio callsign "Air Canada".
What country is Air Canada based in?
Air Canada (AC) is based in Canada.
What is the abbreviation for Air Canada?
The two-character IATA abbreviation for Air Canada is AC, and its three-letter ICAO code is ACA.
How many routes does Air Canada fly?
The open route dataset lists 705 route entries for Air Canada, codeshare listings included, which ranks the carrier number 19 by that count. The route table below shows only the pairs Air Canada is listed as operating.
Is Air Canada in an airline alliance?
Air Canada (AC) is a member of Star Alliance, the global airline alliance founded in 1997. Membership means shared lounges, frequent flyer recognition and connecting networks across the member carriers.