FL Airline Code, AirTran Airways
FL is the IATA airline code for AirTran Airways, based in the United States. Its ICAO code is TRS and its radio callsign is "Citrus".
What airline is FL?
FL is the IATA airline code for AirTran Airways, based in the United States. Its ICAO code is TRS and its radio callsign is "Citrus".
With 726 scheduled routes in the open dataset, it is one of the most connected carriers in the world, ranked number 18 by routes. You will see FL as the two-character prefix on its flight numbers, for example FL123.
| IATA airline code | FL |
|---|---|
| ICAO airline code | TRS |
| Radio callsign | Citrus |
| Country | United States |
| Alliance | None (unaligned) |
| Scheduled routes | 726 (ranked #18) |
| Most routes at | ATL Atlanta |
| Status | Active |
What is the airline code for AirTran Airways?
The IATA airline code for AirTran Airways is FL, and its ICAO code is TRS. The two-character IATA code prefixes the carrier's flight numbers, for example FL123.
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 FL code comes from
FL was the code of AirTran Airways, the low-cost carrier Southwest Airlines acquired in 2011. The last FL flight operated in December 2014, after which the network was folded into Southwest's WN code. FL remains in the dataset as a legacy identifier, a reminder that IATA codes can outlive their airlines on paper.
More on how these identifiers work in what an IATA code is and airline callsigns.
Which airport does AirTran Airways serve most?
AirTran Airways (FL) appears on more routes at ATL, Atlanta, than at any other airport in the open route dataset.
The airports AirTran Airways appears at most often in that dataset, most routes first:
Routes flown by AirTran Airways
The busiest pairs AirTran Airways (FL) 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 AirTran Airways?
AirTran Airways uses the ICAO airline code TRS and the radio callsign "Citrus". Flight plans and air traffic control use TRS, while tickets and schedules use FL.
What is the radio callsign for AirTran Airways?
Air traffic control refers to AirTran Airways by the radio callsign "Citrus".
What country is AirTran Airways based in?
AirTran Airways (FL) is based in the United States.
What is the abbreviation for AirTran Airways?
The two-character IATA abbreviation for AirTran Airways is FL, and its three-letter ICAO code is TRS.
How many routes does AirTran Airways fly?
The open route dataset lists 726 route entries for AirTran Airways, codeshare listings included, which ranks the carrier number 18 by that count. The route table below shows only the pairs AirTran Airways is listed as operating.
Is AirTran Airways in an airline alliance?
AirTran Airways (FL) is not a member of Star Alliance, oneworld or SkyTeam. It relies on its own network and bilateral partnerships instead.