The U.S. Transportation Security Administration announced that travelers would be required to wear masks at TSA airport checkpoints as well as "throughout the commercial and public transportation systems."
Delta is making it easier for customers to navigate evolving travel requirements with new testing options, and plans to add new features to its growing suite of digital tools.
Airlines are responsible for verifying the medical documentation, and in some cases denying boarding to those without proper test results. As a result, carriers have adapted a slew of new technologies to streamline the new process.