Delta Airlines came in first place in a long-running study that ranks US airlines by how often flights arrive on time and other data. Academics at Wichita State University and Embry-Riddle Aeronautical University recently released the study, now in its 29th year. They used 2018 data from the US Transportation Department on rates of on-time arrivals, mishandled baggage, bumping passengers, and customer complaints. Delta was the only airline to improve in all four categories, the researchers […]