hang time

  1. the length of time a punted football remains in the air
  2. the length of time a leaping athlete, as a basketball player jumping for a dunk shot, remains in midair

See hang time in American Heritage Dictionary 4

noun
  1. The amount of time that a football remains aloft after it is kicked.
  2. The amount of time that an athlete remains airborne while jumping.
link/cite print suggestion box