An American Airlines Boeing 737 MAX 8 aircraft approaches San Diego International Airport for a landing from Phoenix on June 28, 2024 in San Diego, California.American Airlines is forecasting a drop in unit revenue of as much as 4.5% for the third quarter as high demand failed to make up for an industry-wide glut of flights that have forced airlines to slash fares.The carrier's profit fell 46% during the second quarter even though revenues rose.The carrier has been grappling with an industry-wide oversupply ...