What is a takeoff slot in aviation?

aviation across the world For example, million flights

slot rules” to meet growing connectivity demand The slot constraints felt across the aviation industry are well-documented According to

slot age of asgard The Commission adopted an extension to the slot relief rules of the 2022 summer scheduling season, running from 28 March 2022 until 29

slot king 456 Penalties apply for unauthorised aircraft movements where the airline knowingly or recklessly allows the aircraft to engage in no-slot or off-slot