American, Delta and United Made $757 Million Selling This 1 Simple Thing. (Only Problem: Passengers Hate It)

And if they didn't, they'd have to pay more taxes. Welcome to the airline industry in 2019. Fish gotta swim, birds gotta fly -- and U.S. airlines gotta squeeze every nickel and dime that they can out of their passengers, by and large. That explains why American Airlines, United Airlines, and Delta …