O.K., not yet. But when Ryanair, Europe's largest no-frills carrier, floated the idea last year, it prompted a storm of protest and late-night-TV jokes. Happily, the airline found it a bridge too far, and the idea is on hold. But for how long?
20 Reasons to Hate the Airlines
A brief history of the industry's 30-year campaign to nickel-and-dime us nearly to death
20. Pay Toilets