The phrase "air on demand" is correct and usable in written English.
It can be used in contexts related to services or products that provide air or ventilation as needed, such as in HVAC systems or air travel.
Example: "The new air conditioning system offers air on demand, ensuring that the temperature is always comfortable for the occupants."
Alternatives: "air as needed" or "on-demand air service".
At list prices starting at just under $1 million, well under the cost of the average Learjet, the new jets could be used as air taxis or for "on demand" services at thousands of underused airfields around the country.
Sky Arts, in partnership with the organisations, will determine how best Sky can give the project prominence on-air, on demand, online and on the ground, as well as providing marketing, publicity and new media support for each project.
The idea is to introduce air travel on demand, using Web-based software to route small aircraft as needed.
With the Starz add-on, subscribers can watch all seasons of the show, including Season 5 – and they can watch it live as it airs or on-demand.
It works on iPads and iPhones but is only currently available in the US, although it may appear in other app stores following the show's airing (it's on-demand in the UK via Sky currently, but doesn't air until Thursday).
The Munich-based company is developing an all-electric vertical take-off and landing (VTOL) jet, which it hopes will one day power an on-demand "air taxi" service, arguably making flying cars a reality.
In 2013, Ben Wheatley's ground-breaking A Field in England was released simultaneously across a range of platforms (free-to-air TV, video-on-demand, DVD, cinemas) "enabling viewers to decide how, where and when to view the film".
"Given our experiences so far, we expect to see revenue models for online video naturally migrate towards hybrid ones – much as is already the case offline, where there is free-to-air, subscription and on-demand TV that already co-exists," Tavernier explains.
Sling TV today does offer some previously aired programs for on-demand viewing.
But this year, Sundance actually has a section devoted to three films that will begin airing in video-on-demand venues the same day that they play in Park City.
