The heads of all passenger airlines flying between Britain and the United States called on Monday for both countries to lift trans-Atlantic travel restrictions put in place to fight the COVID-19 pandemic. 1/4 A British Airways airplane takes off from Faro airport amid the coronavirus disease (COVID-19) pandemic, in Faro, Portugal, June 7, 2021. Reopening is more crucial for Britain-based airlines British Airways and Virgin Atlantic, which are not benefiting from a rebounding domestic market like their U.S. peers. The vast majority of nations do not face the entry restrictions and were added by the United States on an ad hoc basis. United Airlines CEO Scott Kirby said the airline "could add pretty significant capacity" within four weeks if restrictions were lifted.