In good news for Perth air travellers, efforts to reduce air traffic delays at Perth Airport appear to be having a positive effect, according to the latest report card on the Australian air traffic system.

The September issue of the Australian Aviation Network Overview, released by air navigation service provider Airservices Australia, reveals Perth delays have dropped from around 390 minutes, or about four minutes per flight, to 50 minutes — less than a minute per flight — since the introduction of airport collaborative decision-making (A-CDM).

A-CDM involves real-time data sharing between all airport stakeholders via a single information platform to improve airport operations efficiency and air traffic predictability.

Airservices uses the ground delay program (GDP) at the country’s bu

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