scheduled flight
as defined in Council Regulation (EEC) No 295/91 of 4 February 1991 establishing common rules…, Article 2, point (c)
a flight possessing all of the following characteristics: - it is performed by aircraft for the transport of passengers or passengers and cargo and/or mail for remuneration, in such a manner that, for each flight, seats are available for purchase by members of the public, either directly from the carrier or from its authorized agents, - it is operated to serve traffic between two or more points, either: (i) according to a published timetable; or (ii) with flights so regular or frequent that they constitute a recognizably systematic series