To provide a method for creating dart flight, by which a flight can be created at low cost easily, and to provide a flight alignment sheet used therefor.

On a sheet, display areas 1A, 1B, 1C and 1D on which development pattern D of a flight part 3A can be drawn in horizontal alignment are formed, and a first folding line a to fold a display sheet member 1 with the center lines X of the four development patterns D matched is formed on each border line of the display sheet member 1 for each display area 1A, 1B, 1C and 1D, and a second folding line b to be interfolded is formed on the center line X of the development patterns D of the second and fourth display areas.