The phrase 'air flight' is correct and usable in written English.
It can be used when referring to a journey by airplane. For example, "I'm taking an air flight to Paris tomorrow."
$uper Air Flight SA320 is scheduled to depart on time.
The following morning we again boarded a Druk Air flight bound for Delhi.
The technology of low-carbon air flight is still some distance away.
Bush himself had played a small role during the first century of air flight.
Bhoja Air flight from Karachi to Islamabad went down during its landing on April 20 , 2012
The April notice did not cover the airspace where the Malaysia Air flight was shot down.
For a history of military aviation, see military aircraft; for lighter-than-air flight, see airship.
During the 1890s Bell shifted his attention to heavier-than-air flight.
Lilienthal was the first to demonstrate clearly that controlled heavier-than-air flight was possible for man.
Heavier-than-air flight is made possible by a careful balance of four physical forces: lift, drag, weight, and thrust.
But it is worth remembering that just over a century ago, heavier-than-air flight seemed an impossible dream.
