25 Steps per Flight of Stairs Observed
I live in an 8-story building and often workout by going up and down the emergency staircase. Yesterday, I tested for the first time the Healthbook Flights Climbed functionality and found the following:
8 floors x 16 steps/floor = 128 steps x 10 times up and down = 1280 total steps. Apple Healthbook only recorded 52 flights climbed, so 1280 / 52 = 24.65 steps per flight climbed.
Later, I also noticed that if you climb less than the required steps to equal a flight and then time passes (I dont know how much) before you take more steps that there is no cumulative counting. You lose credit, or the steps have expired, for the partial flight from before.
My observations are obviously not scientific and my phone was in my pocket (as others have pointed out could have an impact on the barometric readings) but if this is true then most homes and offices dont have such long staircases and so few flights will ever be counted.
Maybe Apple is trying to say just going up the single flight of stairs in your home or office doesnt get your body active enough to consider a health benefit, only extended climbs count. It might be nice if they had an explanation of the criteria in the app.