Alcohol and air travel: A dangerous mix?
7 August 2015 Last updated at 07:12 BST
For many people having a drink at the airport or on the plane is just part of getting into the holiday spirit, but police and airlines are warning that overindulging could have consequences.
They say the number of disruptive incidents has doubled in the last five years, and that drunk passengers could be prevented from boarding, or even detained.
Tim Muffett reports on BBC.