United Airlines will begin offering free rapid COVID-19 test for passengers flying between London and Newark, New Jersey.<br /><br />According to Business Insider, the airline announced the new plan on Thursday. <br /><br />The airline is trialing the program on three flights a week for four weeks, starting November 16. <br /><br />This makes United the first US airline to offer free testing on flights across the Atlantic. <br /><br />The nasal swab tests will produce results for waiting passengers in around 30 minutes.<br /><br />Passengers who refuse testing won't be allowed to board the flight.