IATA code change for Atatürk Airport and Istanbul Airport
Update: At approximately 12:00 AM UTC on 2019-04-06, we have updated the IATA code assignment to accommodate the transfer of carrier operations from Atatürk Airport to the newly built Istanbul Airport. The FlightStats code for Atatürk Airport will remain the same (IST), while its IATA code has changed from IST to ISL. The FlightStats code for Istanbul Airport will remain the same (ISL) and its IATA code has been updated from ISL to IST. Please report any unusual data discrepancies to the Cirium Help Desk.