DAL DELTA AIR LINES INC Earnings Reports 8-K Filing 2023 - Reaffirmation of Outlook Delta Air Lines reaffirms its outlook for the March quarter, with projected total revenue growth of 14-17% compared to 2019, operating margin of 4-6%, and earnings per share of $0.15-$0.40.Get access to all SEC 8-K filings of the DELTA AIR LINES INC