To fly or not fly -- gerund or infinitive?

“A flying ant”

If an aircraft is airborne, it is in the air and flying.

The allies landed thousands of airborne troops.

Airborne troops use parachutes to get into enemy territory.

The pilot did manage to get airborne.

Many people are allergic to airborne pollutants such as pollen.

“Close the door or the moths will fly in”

A bird or other winged creature move through the air under control.

Travel through the air.

Her mother was killed in a plane crash.

I had plenty of time to catch my plane.

Aviation is the operation and production of aircraft.

An air force is the part of a country’s armed forces that is concerned with fighting in the air.

In the air

The flight will take four hours.

BA flight 286 was two hours late.

Flight is the action of flying or ability to fly.

Supersonic flight could become a routine form of travel in the 21st century.

A flight of bird is a group of them flying together.

A flight of green parrots shot out of the cedar forest.