A fleet of grounded Boeing 777s widebodies at United Airlines is creating cost challenges for the airline in the 2021 third quarter while also prompting problems with gauge in the U.S. domestic market.

The long-awaited loosening of restrictions is welcome news for the country’s aviation sector, but with it coming after the typical summer peak it is unclear how pent-up demand will manifest.

One day after the UK’s “freedom day,” the U.S. State Department has issued a do not travel advisory to the country due to rising COVID-19 infections.