United Airlines will be introducing a new in-flight movie service for both iPhone and iPad this April, allowing flyers to watch over 150 movies and 200 TV shows on their device, according to PatentlyApple. According to United, "Most planes will be equipped with the new system very soon, and we'll have it installed on most domestic aircraft by the end of 2014. We'll begin on Airbus A319, Airbus A320, Boeing 747-400 and select 777-200 aircraft, followed by additional fleets. In the end, all United-operated flights will have some form of entertainment.The free-of-charge service will only require flyers to download the latest version of the United