KO / AER KO airline code: Alaska Central Express
KO is the IATA airline code for Alaska Central Express, based in the United States. Its ICAO airline code is AER.
Alaska Central Express codes
| IATA code | KO |
|---|---|
| ICAO code | AER |
| Airline | Alaska Central Express |
| Country | United States |
| Status | Listed as operating (data checked 1 October 2026) |
Source: the airline database behind Easy PNR Converter (Wikidata and OpenFlights), checked against Wikidata and Wikipedia on 1 October 2026. IATA codes of airlines that stop flying can later be given to another airline.
How KO appears in a PNR
In an Amadeus, Sabre, Galileo or Worldspan flight segment the two-character airline code comes first, directly before the flight number, so every flight sold under this code starts with KO. Codeshare flights carry the marketing airline's code, so the airline operating the aircraft can be a different one. Paste a PNR into the free PNR converter and KO is shown as Alaska Central Express with its logo, next to local times and the true flight duration.
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