Statistics on the World’s Airlines
Though the world's airlines have schedules 4% fewer flights for June compared to last year (though this is only a 2% drop in seat capacity), the total number of seats offered remains high at 297.5 million for this month alone. That certainly shows what a large industry commercial aviation is on a worldwide basis.
The total number of flights scheduled to operate worldwide this month is 2.43 million. And this does not include executive jet flights, military or charter aircraft.