Ask Difference

Flight vs. Fly — What's the Difference?

By Maham Liaqat & Urooj Arif — Updated on March 11, 2024
Flight refers to the act or process of flying, often implying a scheduled journey by air, while fly denotes the action of moving through the air, applicable to both creatures and objects.
Flight vs. Fly — What's the Difference?

Difference Between Flight and Fly

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Key Differences

Flight often involves a planned and controlled journey through the air, usually by an aircraft or another form of airborne transportation. On the other hand, fly encompasses a broader range of aerial movement, including the act performed by birds, insects, or even humans using technology.
Flight is associated with a structured route or pathway, typically from one destination to another, and involves preparation such as ticketing and boarding. Whereas fly can refer to any spontaneous or directed act of moving through the air, regardless of purpose or preparation.
In the context of aviation, flight is used to describe a specific trip by an airplane, helicopter, or other aircraft, often scheduled and commercial. On the other hand, fly is the basic action that these vehicles perform to achieve the state of being airborne.
Flight also implies a certain duration and distance, suggesting a journey of considerable length. Meanwhile, fly does not inherently suggest a long distance or time, as it can refer to short, quick movements in the air.
Flight can be a noun describing the act of flying or a specific journey by air, or it can refer to the ability to fly, as seen in certain animals and machines. Fly, however, is primarily a verb that describes the action of moving through the air and can also be a noun in the context of a flying insect.
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Comparison Chart

Definition

A journey made through the air, especially a scheduled air journey.
The action or process of flying through the air.

Context

Often refers to commercial or scheduled air travel.
Can refer to any act of aerial movement.

Usage

Primarily a noun, but can be used as a verb in certain contexts.
Primarily a verb, but can be a noun when referring to insects.

Associated Preparation

Involves planning, such as booking and boarding.
May not involve any preparation.

Duration and Distance

Implies a considerable length or a significant journey.
Does not inherently suggest long distance or duration.

Compare with Definitions

Flight

The ability to fly.
The mythological Pegasus was known for its majestic flight.

Fly

To pilot an aircraft.
She learned to fly a plane before driving a car.

Flight

The act of flying through the air.
The bird's flight ended as it landed on a branch.

Fly

To display a flag or banner.
The school decided to fly its flag at half-mast.

Flight

A series of steps or levels.
We climbed the flight of stairs to reach the top floor.

Fly

A small winged insect.
A fly kept buzzing around the room.

Flight

A scheduled journey by an aircraft.
Our flight to New York departs at 3 PM.

Fly

To move through the air using wings or through technology.
Birds fly south for the winter.

Flight

A group flying together.especially in formation.
A flight of geese crossed the sunset sky.

Fly

To travel by air.
We plan to fly to Paris for our vacation.

Flight

Flight or flying is the process by which an object moves through a space without contacting any planetary surface, either within an atmosphere (i.e. air flight or aviation) or through the vacuum of outer space (i.e.

Fly

Flies are insects of the order Diptera, the name being derived from the Greek δι- di- "two", and πτερόν pteron "wing". Insects of this order use only a single pair of wings to fly, the hindwings having evolved into advanced mechanosensory organs known as halteres, which act as high-speed sensors of rotational movement and allow dipterans to perform advanced aerobatics.

Flight

The motion of an object in or through a medium, especially through the earth's atmosphere or through space.

Fly

To move through the air by means of wings or winglike parts.

Flight

An instance of such motion.

Fly

To travel by air
We flew to Dallas.

Flight

The distance covered in such motion
The long flight from Seattle to Little Rock.

Fly

To operate an aircraft or spacecraft.

Flight

The act or process of flying through the air by means of wings.

Fly

To rise in or be carried through the air by the wind
A kite flying above the playground.

Flight

The ability to fly
Flight is characteristic of nearly all birds.

Fly

To float or flap in the air
Pennants flying from the masthead.

Flight

A swift passage or movement
Barely noticed the flight of time.

Fly

To move or be sent through the air with great speed
Bullets flying in every direction.
A plate that flew from my hands when I stumbled.

Flight

A scheduled airline run or trip into space
The 7:00 flight to New York.
The next flight of the space shuttle.

Fly

To move with great speed; rush or dart
The children flew down the hall.

Flight

A group, especially of birds or aircraft, flying together.

Fly

To be communicated to many people
Rumors are flying about their breakup.

Flight

A number of aircraft in the US Air Force forming a subdivision of a squadron.

Fly

To flee; escape.

Flight

A round of competition, as in a sports tournament.

Fly

To hasten; spring
Flew to her students' defense.

Flight

An exuberant or transcendent effort or display
A flight of the imagination.
Flights of oratory.

Fly

To pass by swiftly
A vacation flying by.

Flight

A series of stairs rising from one landing to another.

Fly

To be dissipated; vanish
All his money has flown.

Flight

A curved plate or flange that winds in a spiral around the center shaft of an auger, designed to transport loose material upward or backward along the shaft as the auger rotates. Also called flighting.

Fly

Past tense and past participle flied (flīd) Baseball To hit a fly ball.

Flight

A set of small samples, as of different kinds of wine or beer, that are served at the same time for comparative tasting.

Fly

To shatter or explode
The dropped plate flew into pieces.

Flight

The act or an instance of running away; an escape.

Fly

To become suddenly emotional, especially angry
The driver flew into a rage.

Flight

To migrate or fly in flocks.

Fly

(Informal) To gain acceptance or approval; go over
"However sophisticated the reasoning, this particular notion may not fly" (New York Times).

Flight

The act of flying.
Most birds are capable of flight.

Fly

To cause to fly or float in the air
Fly a kite.
Fly a flag.

Flight

An instance of flying.
The migrating birds' flight took them to Africa.

Fly

(Nautical) To operate under (a particular flag)
A tanker that flies the Liberian flag.

Flight

(collective) A collective term for doves or swallows.
A flight of swallows

Fly

To pilot (an aircraft or spacecraft).

Flight

A trip made by an aircraft, particularly one between two cities or countries, which is often planned or reserved in advance.
The flight to Paris leaves at 7 o'clock tonight.
Where is the departure gate for flight 747? / Go straight down and to the right.

Fly

To carry or transport in an aircraft or spacecraft
Fly emergency supplies to a stricken area.

Flight

A series of stairs between landings.

Fly

To pass over or through in flight
Flew the coastal route in record time.

Flight

A group of canal locks with a short distance between them

Fly

To perform in a spacecraft or aircraft
Flew six missions into space.

Flight

A floor which is reached by stairs or escalators.
How many flights is it up?

Fly

To flee or run from
Fly a place in panic.

Flight

The feathers on an arrow or dart used to help it follow an even path.

Fly

To avoid; shun
Fly temptation.

Flight

A paper airplane. en

Fly

The act of flying; flight.

Flight

(cricket) The movement of a spinning ball through the air - concerns its speed, trajectory and drift.

Fly

The opening, or the fastening that closes this opening, on the front of a pair of pants.

Flight

The ballistic trajectory of an arrow or other projectile.

Fly

The flap of cloth that covers this opening.

Flight

An aerodynamic surface designed to guide such a projectile's trajectory.

Fly

A piece of protective fabric secured over a tent and often extended over the entrance.

Flight

An air force unit.

Fly

A flyleaf.

Flight

Several sample glasses of a specific wine varietal or other beverage. The pours are smaller than a full glass and the flight will generally include three to five different samples.

Fly

(Baseball) A fly ball.

Flight

(engineering) The shaped material forming the thread of a screw.

Fly

(Sports) In swimming, butterfly.

Flight

An episode of imaginative thinking or dreaming.
A flight of fancy; a flight of the imagination

Fly

The span of a flag from the staff to the outer edge.

Flight

The act of fleeing.
Take flight
The flight of a refugee

Fly

The outer edge of a flag.

Flight

(obsolete) Fast, swift, fleet.

Fly

A flywheel.

Flight

To throw the ball in such a way that it has more airtime and more spin than usual.

Fly

Flies The area directly over the stage of a theater, containing overhead lights, drop curtains, and equipment for raising and lowering sets.

Flight

To throw or kick something so as to send it flying with more loft or airtime than usual.

Fly

Chiefly British A one-horse carriage, especially one for hire.

Flight

The act of flying; a passing through the air by the help of wings; volitation; mode or style of flying.
Like the night owl's lazy flight.

Fly

Any of numerous two-winged insects of the order Diptera, especially any of the family Muscidae, which includes the housefly.

Flight

The act of fleeing; the act of running away, to escape danger or expected evil; hasty departure.
Pray ye that your flight be not in the winter.
Fain by flight to save themselves.

Fly

Any of various other flying insects, such as a caddisfly.

Flight

Lofty elevation and excursion; a mounting; a soaring; as, a flight of imagination, ambition, folly.
Could he have kept his spirit to that flight,He had been happy.
His highest flights were indeed far below those of Taylor.

Fly

A fishing lure simulating something a fish eats, such as a mayfly or a minnow, made by attaching materials such as feathers, tinsel, and colored thread to a fishhook.

Flight

A number of beings or things passing through the air together; especially, a flock of birds flying in company; the birds that fly or migrate together; the birds produced in one season; as, a flight of arrows.
Swift flights of angels ministrant.
Like a flight of fowlScattered winds and tempestuous gusts.

Fly

Chiefly British Mentally alert; sharp.

Flight

A series of steps or stairs from one landing to another.

Fly

(Slang) Fashionable; stylish.

Flight

A kind of arrow for the longbow; also, the sport of shooting with it. See Shaft.
Challenged Cupid at the flight.
Not a flight drawn homeE'er made that haste that they have.

Fly

(zoology) Any insect of the order Diptera; characterized by having two wings (except for some wingless species), also called true flies.

Flight

The husk or glume of oats.

Fly

(non-technical) Especially, any of the insects of the family Muscidae, such as the common housefly (other families of Diptera include mosquitoes and midges).

Flight

A trip made by or in a flying vehicle, as an airplane, spacecraft, or aeronautical balloon.

Fly

Any similar, but not closely related insect, such as a dragonfly or butterfly.

Flight

A scheduled flight{8} on a commercial airline; as, the next flight leaves at 8 o'clock.

Fly

(fishing) A lightweight fishing lure resembling an insect.

Flight

A formation of aircraft in flight

Fly

(weightlifting) A chest exercise performed by moving extended arms from the sides to in front of the chest. (also flye)

Flight

An instance of traveling by air;
Flying was still an exciting adventure for him

Fly

(swimming) The butterfly stroke (plural is normally flys).

Flight

A stairway (set of steps) between one floor or landing and the next

Fly

(obsolete) A witch's familiar.

Flight

The act of escaping physically;
He made his escape from the mental hospital
The canary escaped from its cage
His flight was an indication of his guilt

Fly

(obsolete) A parasite.

Flight

An air force unit smaller than a squadron

Fly

(preceded by definite article) A simple dance in which the hands are shaken in the air, popular in the 1960s.

Flight

Passing above and beyond ordinary bounds;
A flight of fancy
Flights of rhetoric
Flights of imagination

Fly

(finance) A butterfly (combination of four options).

Flight

The path followed by an object moving through space

Fly

(obsolete) The action of flying; flight.

Flight

A flock of flying birds

Fly

An act of flying.
There was a good wind, so I decided to give the kite a fly.

Flight

A scheduled trip by plane between designated airports;
I took the noon flight to Chicago

Fly

(baseball) A fly ball.

Flight

Shoot a bird in flight

Fly

(American football) fly route

Flight

Fly in a flock;
Flighting wild geese

Fly

A piece of canvas that covers the opening at the front of a tent.

Flight

Decorate with feathers;
Fledge an arrow

Fly

The sloping or roof part of the canvas of a tent.

Fly

(often plural) A strip of material (sometimes hiding zippers or buttons) at the front of a pair of trousers, pants, underpants, bootees, etc.
Ha-ha! Your flies are undone!

Fly

The free edge of a flag.

Fly

The horizontal length of a flag.

Fly

(weightlifting) An exercise that involves wide opening and closing of the arms perpendicular to the shoulders.

Fly

The part of a vane pointing the direction from which the wind blows.

Fly

(nautical) That part of a compass on which the points are marked; the compass card.

Fly

Two or more vanes set on a revolving axis, to act as a fanner, or to equalize or impede the motion of machinery by the resistance of the air, as in the striking part of a clock.

Fly

(historical) A type of small, light, fast horse-drawn carriage that can be hired for transportation (sometimes pluralised flys).

Fly

In a knitting machine, the piece hinged to the needle, which holds the engaged loop in position while the needle is penetrating another loop; a latch..

Fly

The pair of arms revolving around the bobbin, in a spinning wheel or spinning frame, to twist the yarn.

Fly

(weaving) A shuttle driven through the shed by a blow or jerk.

Fly

The person who took the printed sheets from the press.

Fly

A vibrating frame with fingers, attached to a power printing press for doing the same work.

Fly

One of the upper screens of a stage in a theatre.

Fly

(cotton manufacture) waste cotton

Fly

A wing.
The bullet barely grazed the wild fowl's fly.

Fly

(intransitive) To travel through the air, another gas, or a vacuum, without being in contact with a grounded surface.
Birds of passage fly to warmer regions as it gets colder in winter.
The Concorde flew from Paris to New York faster than any other passenger airplane.
It takes about eleven hours to fly from Frankfurt to Hong Kong.
The little fairy flew home on the back of her friend, the giant eagle.

Fly

To flee, to escape (from).
Fly, my lord! The enemy are upon us!

Fly

To cause to fly travel or float in the air: to transport via air or the like.
Charles Lindbergh flew his airplane The Spirit of St. Louis across the Atlantic ocean.
Why don’t you go outside and fly kites, kids? The wind is just perfect.
Birds fly their prey to their nest to feed it to their young.
Each day the postal service flies thousands of letters around the globe.

Fly

(intransitive) To travel or proceed very fast; to hasten.
He flew down the hill on his bicycle.
It's five o'clock already. Doesn't time fly?

Fly

(intransitive) To move suddenly, or with violence; to do an act suddenly or swiftly.
A door flies open
A bomb flies apart

Fly

(intransitive) To proceed with great success.
His career is really flying at the moment.
One moment the company was flying high, the next it was on its knees.

Fly

To be accepted, come about or work out.
Let's see if that idea flies.
You know, I just don't think that's going to fly. Why don't you spend your time on something better?

Fly

To display (a flag) on a flagpole.

Fly

(transitive) To hunt with a hawk.

Fly

To hit a fly ball; to hit a fly ball that is caught for an out. Compare ground (verb) and line (verb).
Jones flied to right in his last at-bat.

Fly

Quick-witted, alert, mentally sharp.

Fly

(slang) Well dressed, smart in appearance; in style, cool.
He's pretty fly.

Fly

(slang) Beautiful; displaying physical beauty.

Fly

To move in or pass through the air with wings, as a bird.

Fly

To move through the air or before the wind; esp., to pass or be driven rapidly through the air by any impulse.

Fly

To float, wave, or rise in the air, as sparks or a flag.
Man is born unto trouble, as the sparks fly upward.

Fly

To move or pass swiftly; to hasten away; to circulate rapidly; as, a ship flies on the deep; a top flies around; rumor flies.
Fly, envious Time, till thou run out thy race.
The dark waves murmured as the ships flew on.

Fly

To run from danger; to attempt to escape; to flee; as, an enemy or a coward flies. See Note under Flee.
Fly, ere evil intercept thy flight.
Whither shall I fly to escape their hands ?

Fly

To move suddenly, or with violence; to do an act suddenly or swiftly; - usually with a qualifying word; as, a door flies open; a bomb flies apart.

Fly

To cause to fly or to float in the air, as a bird, a kite, a flag, etc.
The brave black flag I fly.

Fly

To fly or flee from; to shun; to avoid.
Sleep flies the wretch.
To fly the favors of so good a king.

Fly

To hunt with a hawk.

Fly

To manage (an aircraft) in flight; as, to fly an aëroplane.

Fly

Any winged insect; esp., one with transparent wings; as, the Spanish fly; firefly; gall fly; dragon fly.

Fly

A hook dressed in imitation of a fly, - used for fishing.

Fly

A familiar spirit; a witch's attendant.
A trifling fly, none of your great familiars.

Fly

A parasite.

Fly

A kind of light carriage for rapid transit, plying for hire and usually drawn by one horse.

Fly

The length of an extended flag from its staff; sometimes, the length from the "union" to the extreme end.

Fly

The part of a vane pointing the direction from which the wind blows.

Fly

That part of a compass on which the points are marked; the compass card.

Fly

Two or more vanes set on a revolving axis, to act as a fanner, or to equalize or impede the motion of machinery by the resistance of the air, as in the striking part of a clock.

Fly

The piece hinged to the needle, which holds the engaged loop in position while the needle is penetrating another loop; a latch.

Fly

The pair of arms revolving around the bobbin, in a spinning wheel or spinning frame, to twist the yarn.

Fly

A shuttle driven through the shed by a blow or jerk.

Fly

Formerly, the person who took the printed sheets from the press.

Fly

The outer canvas of a tent with double top, usually drawn over the ridgepole, but so extended as to touch the roof of the tent at no other place.

Fly

One of the upper screens of a stage in a theater.

Fly

The fore flap of a bootee; also, a lap on trousers, overcoats, etc., to conceal a row of buttons.

Fly

A batted ball that flies to a considerable distance, usually high in the air; also, the flight of a ball so struck; as, it was caught on the fly. Also called fly ball.

Fly

Waste cotton.

Fly

Knowing; wide awake; fully understanding another's meaning.

Fly

Two-winged insects characterized by active flight

Fly

Flap consisting of a piece of canvas that can be drawn back to provide entrance to a tent

Fly

An opening in a garment that is closed by a zipper or buttons concealed by a fold of cloth

Fly

(baseball) a hit that flies up in the air

Fly

Fisherman's lure consisting of a fishhook decorated to look like an insect

Fly

Travel through the air; be airborne;
Man cannot fly

Fly

Move quickly or suddenly;
He flew about the place

Fly

Fly a plane

Fly

Transport by aeroplane;
We fly flowers from the Caribbean to North America

Fly

Cause to fly or float;
Fly a kite

Fly

Be dispersed or disseminated;
Rumors and accusations are flying

Fly

Change quickly from one emotional state to another;
Fly into a rage

Fly

Pass away rapidly;
Time flies like an arrow
Time fleeing beneath him

Fly

Travel in an airplane;
She is flying to Cincinnati tonight
Are we driving or flying?

Fly

Display in the air or cause to float;
Fly a kite
All nations fly their flags in front of the U.N.

Fly

Run away quickly;
He threw down his gun and fled

Fly

Travel over (an area of land or sea) in an aircraft;
Lindbergh was the first to fly the Atlantic

Fly

Hit a fly

Fly

Decrease rapidly and disappear;
The money vanished in las Vegas
All my stock assets have vaporized

Fly

(British informal) not to be deceived or hoodwinked

Common Curiosities

Is fly only applicable to insects?

No, fly applies to any act of moving through the air, including by birds, humans, and aircraft.

What is flight?

Flight is the act or process of flying, often implying a scheduled air journey.

How are flight and fly used in aviation?

In aviation, flight refers to a specific journey by aircraft, while fly describes the act of being airborne.

What does it mean to fly?

To fly means to move through the air, either by natural ability or with the aid of technology.

Can the term flight refer to flying animals?

While flight can refer to the action of flying, it's more commonly used for scheduled journeys by air vehicles.

What does a pilot do?

A pilot flies or controls an aircraft.

What is a flight path?

A flight path is the route taken by an aircraft during its journey.

What innovations have advanced human flight?

Innovations include the invention of the airplane, jet engines, and advancements in aerodynamics.

Can humans fly without technology?

Humans cannot naturally fly and require technology, such as aircraft, to perform the act of flying.

Are all flights commercial?

Not all flights are commercial; some may be private or for military purposes.

What's the difference between direct and non-stop flights?

Non-stop flights go directly to the destination without stops, while direct flights may have stops but don't require passengers to change planes.

What is the importance of flight in history?

Flight has been crucial for transportation, exploration, and military purposes throughout history.

How do birds fly?

Birds fly by using their wings to push against the air and create lift.

Can the term fly be used figuratively?

Yes, fly can be used figuratively, such as in "time flies."

Can insects other than flies fly?

Yes, many insects besides flies, such as bees and mosquitoes, can fly.

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Author Spotlight

Written by
Maham Liaqat
Co-written by
Urooj Arif
Urooj is a skilled content writer at Ask Difference, known for her exceptional ability to simplify complex topics into engaging and informative content. With a passion for research and a flair for clear, concise writing, she consistently delivers articles that resonate with our diverse audience.

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