airtime

noun

1. the particular time that a program is broadcast or scheduled for broadcast: The airtime for the newscast is 10 p.m.
2. the time during which a broadcast takes place: The airtime for the new show is from 10 to 10:30 p.m.
3. a block of such time sold by a radio or television station to an advertiser, allotted to a political candidate, etc.: The company bought three minutes of airtime.

noun

1. the time allocated to a particular programme, item, topic, or type of material on radio or television
2. the time of the start of a radio or television broadcast