A class-action lawsuit has been filed in New York against Delta Air Lines and United Airlines after passengers alleged, they were misled into paying premium fares for window seats that had no windows.

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.

However, while competitor airlines like American and Alaska Airlines flag these seat kinks during the booking process, Delta and United do not — even while charging tens or hundreds of dollars for the...