ZK Airline Code, Great Lakes Airlines
ZK is the IATA airline code for Great Lakes Airlines, based in the United States. Its ICAO code is GLA and its radio callsign is "Lakes Air".
What airline is ZK?
ZK is the IATA airline code for Great Lakes Airlines, based in the United States. Its ICAO code is GLA and its radio callsign is "Lakes Air".
The open dataset lists 61 scheduled routes for the carrier. You will see ZK as the two-character prefix on its flight numbers, for example ZK123.
| IATA airline code | ZK |
|---|---|
| ICAO airline code | GLA |
| Radio callsign | Lakes Air |
| Country | United States |
| Scheduled routes | 61 (ranked #197) |
| Most routes at | DEN Denver |
| Status | Active |
What is the airline code for Great Lakes Airlines?
The IATA airline code for Great Lakes Airlines is ZK, and its ICAO code is GLA. The two-character IATA code prefixes the carrier's flight numbers, for example ZK123.
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 Great Lakes Airlines serve most?
Great Lakes Airlines (ZK) appears on more routes at DEN, Denver, than at any other airport in the open route dataset.
The airports Great Lakes Airlines appears at most often in that dataset, most routes first:
Routes flown by Great Lakes Airlines
The busiest pairs Great Lakes Airlines (ZK) 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 Great Lakes Airlines?
Great Lakes Airlines uses the ICAO airline code GLA and the radio callsign "Lakes Air". Flight plans and air traffic control use GLA, while tickets and schedules use ZK.
What is the radio callsign for Great Lakes Airlines?
Air traffic control refers to Great Lakes Airlines by the radio callsign "Lakes Air".
What country is Great Lakes Airlines based in?
Great Lakes Airlines (ZK) is based in the United States.
What is the abbreviation for Great Lakes Airlines?
The two-character IATA abbreviation for Great Lakes Airlines is ZK, and its three-letter ICAO code is GLA.
How many routes does Great Lakes Airlines fly?
The open route dataset lists 61 route entries for Great Lakes Airlines, codeshare listings included, which ranks the carrier number 197 by that count. The route table below shows only the pairs Great Lakes Airlines is listed as operating.