FLIGHT PATH COMPARATOR

ANALYZE · COMPARE · DOMINATE

LIVE

DISC {{ card.n }}

HAND

THROW TYPE

BRAND

TYPE

DISC

SPEED

GLIDE

TURN

FADE

Compare disc golf flight paths in real time

DiscFlightLab is a free tool for disc golf players who want to compare up to four discs' flight paths side by side. Pick a brand, disc type and specific disc for each card slot, set your throwing hand and throw type, and hit Start Simulation to see how each disc behaves in the air – from release to landing – plotted on a field scaled 0–500 ft.

The flight paths are based on each disc's official flight numbers: Speed, Glide, Turn (how much a disc drifts right early in the throw) and Fade (how much a disc drops left near the end of the throw). The higher the stability (overstable), the more fade near the end – and the opposite for understable discs.

Disc Types Explained

Discs fall into four broad categories based on the speed needed to fly as designed. Putters (speed 1–4) fly straight and predictably even when thrown slowly, making them the go-to choice for short, accurate shots. Midrange discs (speed 4–6) add distance while staying easy to control. Fairway drivers (speed 6–9) balance distance and control for players with some experience. Distance drivers (speed 9 and up) are built to fly the farthest but need more arm speed to fly correctly – thrown too slowly, they tend to fall short or veer off-line.

Understanding Stability

Stability describes how a disc behaves as it slows down mid-flight. Overstable discs fade left more than they turn right, which makes them predictable and better in windy conditions. Understable discs turn right more than they fade, which suits players who aren't yet throwing fast enough to keep a neutral or overstable disc flying straight. A disc close to the middle of that range is simply called stable.

Read the full flight numbers guide →

Frequently Asked Questions

What do turn and fade mean on a disc golf disc?

Turn describes how much a disc drifts right (for a right-handed backhand thrower) early in the flight while speed is high, while fade describes how much the disc hooks back left near the end as it slows down. An overstable disc has more fade, an understable disc has more turn.

Which disc should I choose as a beginner?

Beginners usually do best with discs that have lower speed (1–4) and high glide, like putters and midrange discs – they're easier to control and need less arm speed to fly correctly.

What's the difference between backhand and forehand throws?

A backhand throw releases with the top of the disc facing away from the target, curving right-to-left in flight for a right-handed thrower (mirrored for left-handers). A forehand, or sidearm, throw releases with the top facing the target and curves the opposite way. Flight numbers are printed for backhand throws by default, which is why changing the throw type in the tool mirrors the flight path.

How accurate is this flight simulator?

Flight paths are either traced directly from official manufacturer charts or, where no chart is available, calculated from a model calibrated against those same charts. They represent a typical, well-thrown flight for that disc – actual results will vary with arm speed, wind, and individual throwing technique.

DiscFlightLab is an independent, ad-supported project built to help disc golf players compare discs before buying or throwing. It isn't affiliated with any disc manufacturer.

Flight paths simulated based on speed · glide · turn · fade

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