Air traffic is booming this summer, but after European vacations are over will passenger demand hold up? The question was the focus of the annual congress of the Airports Council International (ACI) Europe in Rome this week, held at the cusp of the approaching peak season. The summer period is shaping up to be by far the best since the beginning of the coronavirus crisis that has severely affected the airline industry since 2020. Some airlines, such as Ryanair, and countries, in particular Greece, have already recovered or even exceeded their 2019 daily flight numbers, according to Eurocontrol, a pan-European air traffic agency. Across the continent, air traffic was last week at 86pc of the same period in 2019, Eurocontrol said, and expected to reach up to 95pc in August under its most optimistic estimate. And companies are filling seats for the coming weeks despite the sharp rise in ticket prices, long lines in various airports from Frankfurt to Dublin to Amsterdam and strikes by flight attendants, pilots or air traffic controllers. But after that? “Visibility is low because there is a lot of uncertainty,” said Olivier Jankovec, director general of ACI Europe. “We’re now in a war economy in Europe, we have the prospect of a quite harsh recession, we have inflation at record levels, so how all of this is going to play into consumer sentiment… the jury’s still out.” The director general for transport and mobility at the European Commission, Henrik Hololei, echoed that thought. “We really need to tighten the seatbelt because there’s going to be a lot of turbulence,” he told delegates.