On both services the subscribers have a selection of 16 on-demand movies at any one time, with four titles being swapped out each Sunday.

Subscribers have a selection of 28 on-demand movies at any one time, with seven titles being swapped out each Friday.

Song, the low-fare subsidiary of Delta, offers a touch-screen audiovisual system with on-demand movies, video games and music.

Comcast, for instance, now gives away nearly 3,800 hours of on-demand movies and programs to some subscribers.

The survey contacted 4,581 households in late 2005; 321 said they had watched an on-demand movie within the last three months.

It offers about two dozen on-demand movies.

Viacom and A.T.& T. detailed plans to test new cable television technology for on-demand movies, video games and shopping.

The interactive communication system also has other capabilities besides TV programming, games and on-demand movies that are offered at no extra cost to the hospital.

In first class, Red offers free live satellite television, free on-demand movies, free on-demand television programming and a selection of games.

Passengers on Emirates, for example, can choose from about 375 on-demand movies in a variety of languages.