DISCFIELD GUIDE
Disc golf flight numbers, explained
The four numbers on a disc are a starting point for choosing what to try. They describe an intended flight, not a promise about the shot you will throw.
Read the numbers in order
Innova uses speed, glide, turn, fade. Its ratings are comparative; they are not standardized measurements across manufacturers.
| Number | What it describes | What it does not tell you |
|---|---|---|
| Speed | The disc’s speed class; faster models need more throwing power to perform as intended. | How far you personally will throw it. |
| Glide | Its tendency to stay aloft. | A guaranteed extra distance. |
| Turn | Early-flight turning tendency, toward the right for a right-handed backhand. More negative means more tendency to turn. | Where the disc will land. |
| Fade | Finishing tendency, toward the left for a right-handed backhand. Higher means a stronger finish. | An angle measured in degrees. |
Innova cautions against comparing glide, turn and fade across different speed classes, or treating numbers across brands as equivalent. Plastic, wear and the thrower can change the result. See Innova’s flight-rating explanation (checked September 8, 2026).
A worked example: 6 / 5 / -2 / 1
These are the published numbers for the Innova Leopard: speed 6, glide 5, turn -2, fade 1. The source is Innova’s comparison table, checked September 8, 2026.
A useful way to read the label is in two stages. First ask whether the speed class suits the disc you want to try. Then use the remaining numbers to ask about its intended shape. Do not add -2 and 1 to get a “net curve” of -1. Those ratings refer to different parts of the flight and are not distances.
For comparison, the Mako3 reference lists 5 / 5 / 0 / 0. That does not make it a straight-line machine. Think of the record as a description to investigate with your own throws, rather than a correction for your release.
Match the explanation to your throw
The directions above assume right-handed backhand. Left-handed backhand reverses them. Right-handed forehand also has the opposite usual turn/fade directions from right-handed backhand. See Innova’s backhand explanation and forehand explanation, checked September 8, 2026. When discussing a shot, name the throw as well as the direction; “this disc goes left” leaves too much unanswered.
Use one familiar disc as your reference
Our suggestion is to write down what your current disc actually does before shopping. Try a simple note with four fields:
- Disc: full model name, plastic and marked weight.
- Situation: a familiar target line and the conditions.
- Result: where it started, where it finished and how repeatable it felt.
- Need: the specific result you wanted instead.
That gives you a better question for a shop or a more experienced player than “What is the best disc?” You can ask for a disc to solve a particular problem and explain what you already have.
If you are starting from nothing, use our first-bag guide. If two listings have the same model name, check the plastic choice before assuming they are interchangeable.
The limit of the label
A flight rating cannot tell you whether a rim feels comfortable, whether you like the plastic, or whether the disc fills a missing role in your bag. Use the numbers to narrow a decision, then judge the disc by your own repeatable results. This guide is an explanation of published ratings, not a flight test.