IF AVIATION had an astrological sign, 2017 would surely be the Year of the Bump. Most infamously, it was the year that a United Airlines passenger who refused to leave an overbooked flight in April was dragged violently from the plane. There followed airline policy changes to reduce involuntary bumping, a novel system to make bumping less inconvenient, and even bipartisan action in Congress to render involuntary bumping illegal.

Such headlines suggest that the practice is spiralling out of control. In fact it is at its lowest level since the government began recording data in 1995, according to a Department of Transportation Continue reading