The Physics Behind Winglets And Where The Idea Came From But how do these winglets work? The physics behind them is simple. As air moves across a wing, the pressure difference between its upper and ...

Delta Air Lines and United Airlines were sued on Tuesday by passengers who claimed they paid extra money to sit in “window” seats, only to find themselves placed in seats next to a blank wall.

United and Delta Airlines are being sued by passengers who say they paid extra for window seats — only to be seated next to a barren wall during their flight. The proposed class action lawsuits, filed ...