InvestmentsTop Global NewsMarketsReal Estate Delta Air expects quarterly revenue to fall by US$10 billion, beefs up line of credit By financialnews_rlv83x - March 20, 2020 0 145 Delta Air Lines Inc expects its second-quarter revenue to fall by US$10 billion, representing an 80per cent reduction compared with a year earlier, the company said on Friday, as the coronavirus hurts travel demand.