airtime

noun

1. 1

   The duration during which a radio or television program (or part of one) is transmitted.

   “Can you get me some airtime for my latest single?”

2. 2

   The chargeable use of a mobile phone, either in minutes or in units dependent on the use or traffic.

3. 3

   The period during which a person riding a rollercoaster or similar ride experiences a feeling of weightlessness.