This is the worst business class in the world

One U.S. carriers made the top 10 list. Can you guess which one?

If you want a good business travel experience, avoid Egyptair. At least that's the takeaway from a new survey of the best and worst business class airlines.

But that isn't the most surprising part of the survey. U.S. airlines placed in both categories — best and worst business class — and you probably won't guess which ones. (Unless, of course, you're a frequent air traveler.)