G4 Airline Code, Allegiant Air
G4 is the IATA airline code for Allegiant Air, based in the United States. Its ICAO code is AAY and its radio callsign is "Allegiant".
What airline is G4?
G4 is the IATA airline code for Allegiant Air, based in the United States. Its ICAO code is AAY and its radio callsign is "Allegiant".
The open dataset lists 378 scheduled routes for the carrier, placing it at number 41 among airlines worldwide. You will see G4 as the two-character prefix on its flight numbers, for example G4123.
| IATA airline code | G4 |
|---|---|
| ICAO airline code | AAY |
| Radio callsign | Allegiant |
| Country | United States |
| Scheduled routes | 378 (ranked #41) |
| Most routes at | LAS Las Vegas |
| Status | Active |
What is the airline code for Allegiant Air?
The IATA airline code for Allegiant Air is G4, and its ICAO code is AAY. The two-character IATA code prefixes the carrier's flight numbers, for example G4123.
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.
Which airport does Allegiant Air serve most?
Allegiant Air (G4) appears on more routes at LAS, Las Vegas, than at any other airport in the open route dataset.
The airports Allegiant Air appears at most often in that dataset, most routes first:
Routes flown by Allegiant Air
The busiest pairs Allegiant Air (G4) 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 Allegiant Air?
Allegiant Air uses the ICAO airline code AAY and the radio callsign "Allegiant". Flight plans and air traffic control use AAY, while tickets and schedules use G4.
What is the radio callsign for Allegiant Air?
Air traffic control refers to Allegiant Air by the radio callsign "Allegiant".
What country is Allegiant Air based in?
Allegiant Air (G4) is based in the United States.
What is the abbreviation for Allegiant Air?
The two-character IATA abbreviation for Allegiant Air is G4, and its three-letter ICAO code is AAY.
How many routes does Allegiant Air fly?
The open route dataset lists 378 route entries for Allegiant Air, codeshare listings included, which ranks the carrier number 41 by that count. The route table below shows only the pairs Allegiant Air is listed as operating.