Major U.S. passenger airlines recently reported declining fourth-quarter and full-year cargo revenue, including American Airlines, Delta Air Lines, Southwest Airlines and United Airlines.  Cargo operating revenues in Q4 2022 clocked in as follows: American: $263 million, a 22% YoY decline; Delta Air Lines: $248 million, an 18% YoY decline; Southwest: $43 million, an 8.5% YoY […]