AY Airline Code: Finnair IATA & ICAO
Finnair is stored in this dataset as IATA code AY and ICAO code FIN, based in Finland. GDS segment lines print the IATA code before the flight number. Live routes, fares and baggage policies are not in this dataset.
Overview
AY is the IATA airline designator stored for Finnair. ICAO is FIN. Country of record: Finland. On a cryptic GDS line the IATA code sits immediately before the flight number, for example AY 456. Agents should not confuse AY (two characters, sometimes a digit such as 6E) with FIN (three letters). This code page does not list routes, alliances, baggage rules, or fleet. Those facts are not in the dataset. Other Finland carriers stored here: none stored. To decode a full itinerary that markets AY, paste the PNR into the parser.
How to use this page
- Find AY at the start of the flight line in the PNR.
- Paste the full itinerary into the PNR parser (or the GDS-specific parser if you know the host).
- Confirm the carrier name resolves to Finnair.
- Do not add baggage or meal claims that the PNR did not print.
Example
Example segment: 2 AY 456 H 26OCT 5 WLGAKL HK1 1945 2050 The parser should set marketing carrier AY (Finnair) and flight 456. Class H is a fare bucket, not proof of cabin without the booking-class tool.
FAQs
What does AY mean?
AY is the IATA airline code stored for Finnair.
What airline is AY?
Finnair, country of record Finland.
What is the ICAO code for Finnair?
FIN.
Is AY the same as FIN?
No. Tickets and GDS segments use AY. Flight plans use FIN.
Where is Finnair based?
This dataset lists Finland. Headquarters address is not stored.
How do I parse a AY itinerary?
Paste the GDS text into the PNR parser. Lines beginning with AY plus a flight number become segments.
Does this page show Finnair schedules?
No. Schedules are not in the dataset.
What baggage does AY allow?
Only what the pasted PNR prints (for example 2PC). Public policy pages are not stored here.
Are there other airlines from Finland?
Stored peers: none stored.
Can AY include a number?
Some IATA codes include a digit (for example 6E). This catalog stores those codes when present.
How is Finnair shown in a PNR?
Usually as marketing carrier AY before the flight number, not the full name.
Where does this information come from?
The product airline table used by the parser. Last template update 17 Aug 2026. Unverified operational claims are omitted.