U.S. airlines face grim winter, with or without a bailout

U.S. airlines face a winter test of their finances and question marks over the reach of their domestic flight networks after failing, for now, to win fresh federal aid.American Airlinesand United Airlinesbegan laying off 32,000 workers after a deadline passed with no new help from Washington, but told staff they would reverse this if lawmakers reach a deal on COVID-19 relief.U.S. House Speaker Nancy Pelosi and Treasury Secretary Steven Mnuchin were expected to continue negotiations on Thursday.