UL Airline Code, SriLankan Airlines
UL is the IATA airline code for SriLankan Airlines, based in Sri Lanka. Its ICAO code is ALK and its radio callsign is "Srilankan".
What airline is UL?
UL is the IATA airline code for SriLankan Airlines, based in Sri Lanka. Its ICAO code is ALK and its radio callsign is "Srilankan".
The open dataset lists 93 scheduled routes for the carrier. You will see UL as the two-character prefix on its flight numbers, for example UL123.
| IATA airline code | UL |
|---|---|
| ICAO airline code | ALK |
| Radio callsign | Srilankan |
| Country | Sri Lanka |
| Alliance | oneworld |
| Scheduled routes | 93 (ranked #146) |
| Most routes at | CMB Colombo |
| Status | Active |
What is the airline code for SriLankan Airlines?
The IATA airline code for SriLankan Airlines is UL, and its ICAO code is ALK. The two-character IATA code prefixes the carrier's flight numbers, for example UL123.
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 UL code comes from
UL dates from the airline's 1979 founding as Air Lanka, and the carrier kept the code through its 1998 rebrand to SriLankan Airlines. It joined oneworld in 2014, the alliance's first member in South Asia, and operates from Colombo's Bandaranaike International.
More on how these identifiers work in what an IATA code is and airline callsigns.
What are SriLankan Airlines's hub airports?
SriLankan Airlines (UL) concentrates its network on CMB (Colombo).
Which airport does SriLankan Airlines serve most?
SriLankan Airlines (UL) appears on more routes at CMB, Colombo, than at any other airport in the open route dataset.
The airports SriLankan Airlines appears at most often in that dataset, most routes first:
Routes flown by SriLankan Airlines
The busiest pairs SriLankan Airlines (UL) 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 SriLankan Airlines?
SriLankan Airlines uses the ICAO airline code ALK and the radio callsign "Srilankan". Flight plans and air traffic control use ALK, while tickets and schedules use UL.
What is the radio callsign for SriLankan Airlines?
Air traffic control refers to SriLankan Airlines by the radio callsign "Srilankan".
What country is SriLankan Airlines based in?
SriLankan Airlines (UL) is based in Sri Lanka.
What is the abbreviation for SriLankan Airlines?
The two-character IATA abbreviation for SriLankan Airlines is UL, and its three-letter ICAO code is ALK.
How many routes does SriLankan Airlines fly?
The open route dataset lists 93 route entries for SriLankan Airlines, codeshare listings included, which ranks the carrier number 146 by that count. The route table below shows only the pairs SriLankan Airlines is listed as operating.
Is SriLankan Airlines in an airline alliance?
SriLankan Airlines (UL) is a member of oneworld, the global airline alliance founded in 1999. Membership means shared lounges, frequent flyer recognition and connecting networks across the member carriers.