The European Commission has proposed a return to the pre-Covid 80:20 ‘use it or lose it’ airport slot rule in the coming winter season, but with exceptions in the case of significant air-travel disruption.

Improving air traffic management is widely seen as the ripest near-term initiative that aviation can take to reduce its carbon footprint.

Greece is the only country in the European Union that recorded an increase in commercial flights in June, compared to the same month in 2019, according to recent data released by Eurostat.