airtime
noun [ U ]
COMMUNICATIONS (also air time) uk/ˈeətaɪm/ us/ˈer-/the amount of broadcasting time that a person, a subject, or an advertisement has on television or radio:
advertising/radio/television airtime
Proposals have been put forward to cut the network's airtime.
buy/sell airtime The company has spent $30,000 to produce a radio commercial and buy airtime.
the amount of time that someone uses their mobile phone during a particular period of time:
Local calls at the weekend are free and 30 minutes' free air time is also included.