Air time or airtime may refer to:
- Air time (broadcasting), also spelled "airtime", available hours for broadcast or time purchased for broadcast
- Air time (mobile phone), also spelled "airtime", top-up for mobile roaming services
- Air time (rides), also spelled "airtime", negative g-force producing a sensation of weightlessness in amusement rides
- Air time (parachuting), also spelled "airtime", time before the parachute opens in skydiving
- Air time, also spelled "airtime", amount of radio airplay for a record in popular music
- Air time, also spelled "airtime", the measurement of the portion of a flight that is off the ground in aviation.