British Airways-owner IAG forecasts that the capacity of this year will reach around 80 per cent of the 2019 levels in the second quarter.
A total of 15 EU/Schengen Area countries have completely dropped all of their rules.
All of the countries mentioned above no longer require travellers to hold valid COVID-19 proof when accessing different public places and events.
Previously, SchengenVisaInfo.com reported that Germany, Spain, and Portugal have been registering high number of arrivals and departures despite keeping their entry rules in place.