Air travel has become an unpleasant experience over the years. In my mind, it’s simply a means to an end. Here’s more bad news. People reports, Water on most airlines isn’t fit to drink.

Diet Detective conducted a study and found most major, and regional airlines provide unsafe water that may make you sick. They found Alaska Airlines, Allegiant, and Hawaiian airlines have the safest water. JetBlue and Spirit have the worst. Piedmont Airlines has the safest water of any regional carrier.

It’s recommended that you avoid drinking coffee or tea onboard an airplane. Ask for only bottled water. Use hand sanitizer instead of washing your hands.