United Airlines said on Friday it has sent warnings of potential furloughs to some 14,000 employees whose jobs are at risk once a second round of payroll support for airlines expires on April 1, as demand for air travel has been hard hit by the coronavirus pandemic. Chicago-based United had recalled 13,000 employees from furlough when the fresh payroll package was passed in December. “Despite ongoing efforts to distribute vaccines, customer demand has not changed much since we recalled those employees. today,” United told employees while saying it was monitoring demand and advocating for continued government support. Congress approved $15 billion in new payroll assistance in December to help keep more than 32,000 airline workers on payrolls […]