In-flight entertainment is mostly a free perk in business and first class.Foreign carriers generally are far ahead of the financially struggling U.S airlines in providing it.

• 机上娱乐大部分是商务舱与头等舱的免费优惠服务，外国航空公司在这方面的服务一般都遥遥领先处于财务困境的美籍航空公司。