Should you drink water on a flight?

A 2019 studyby Hunter College found that many airlines have possibly provided passengers with unhealthy drinking water. The researchers recommend flyers only consume water from sealed bottles. It would also be wise to not drink coffee or tea that was prepared on board, Bedding advised.



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Drink enough water According to the World Health Organization (WHO), you should drink about 250 ml of water per hour of flight time, or more if you feel thirsty. Avoid alcohol, caffeine, and sugary drinks, as they can dehydrate you and disrupt your sleep cycle.

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To be extra safe, the CUNY researchers advised people never to drink water onboard a plane that does not come from a sealed bottle. They also said passengers should not drink coffee or tea brewed on their flight, and that they should even use hand sanitizer instead of washing their hands with onboard water.

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It should come as no surprise that the healthiest thing to drink on a plane is water, which also happens to be the healthiest thing to drink on land.

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“Most sodas have over 30 grams of sugar per can, so drinking one or more sodas during your flight will contribute to jet lag and dehydration.”

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The Ultimate In-Flight Hydration Hack
Deep and sustained hydration requires electrolytes. To keep your mineral levels, water levels, and energy levels on the up-and-up, our favorite in-flight wellness hack of all time includes packing LMNT stick packs into every carry-on.

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If you do happen to pick up bacteria or fungi that's not your own, this may lead to itchiness and bumps on the skin and scalp. Showering after flights is probably a good thing—regardless of the length! —if only to have that clean feel after being cooped up in a cabin.

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Controlled air is dry air Airplanes are controlled environments typically kept at only 10-20% humidity. This is far lower than the 35-65% humidity of normal everyday environments. Lower humidity in the air can lead to quicker dehydration.

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Eric Rimm, an associate professor of nutrition at the Harvard School of Public Health, tells Health Magazine: Since there's less water in your blood when you're dehydrated, the concentration of alcohol will be slightly higher, leading to quicker intoxication and increased potential for a hangover. Still, many a ...

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Airlines are required to provide safe drinking water for passengers and crew because of the Aircraft Drinking Water Rule, a federal government policy which dates back to 2011. The airlines were given “water health scores” ranging from a 5 (the highest score) to a 0 (the lowest).

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Airline pilots take turns using the bathroom nearest the cockpit during a flight. There are no bathrooms installed in the cockpit. For airplanes with a single pilot, diapers, catheters, or collection devices are used if they are unable to land to use the airport bathroom.

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Wash. If you are travelling and decide to wash your hair, you should do it one day before and let your hair air-dry. Washing your hair the same day you are travelling allows dust to stick to your wet hair and the city pollution will make it dry. So plan your hair wash a day before travelling.

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An aisle seat located near a bathroom is one of the worst seats on the plane. You may be subject to poor odors for the duration of the flight. You are also likely to experience lines and crowds of people near your seat.

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Per Aerospace Medical Association, passengers should aim to drink roughly eight ounces of water every hour spent in the air. “As a flight attendant, the medical staff tells us we have to drink one liter of water for every four hours of flying,” one Air France crew member confirmed to The Sun.

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What is the best electrolyte to drink on a plane? Before you leave home, drink beverages that are high in electrolytes, typically those used by athletes. These include Gatorade, Powerade and Lucozade. Resource Water is another good example as it has water and electrolytes.

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Food and drinks to avoid on planes according to flight attendants
  • Alcohol.
  • Water (that isn't bottled)
  • Ice.
  • Tea and Coffee.
  • Cheese Boards.
  • Steak.
  • Soup.
  • Pasta.


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All drinks with sugar, caffeine, or alcohol should be avoided to limit dehydration, and water should be the only drink choice during flights.

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You are allowed to bring a quart-sized bag of liquids, aerosols, gels, creams and pastes through the checkpoint. These are limited to 3.4 ounces (100 milliliters) or less per item. This is also known as the 3-1-1 liquids rule.

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Fresh fruit e.g. bananas, apples, berries – you may need to eat on the plane or discard before you disembark. Hommus & cut-up veggies – e.g. carrot, cucumber, tomatoes. Grainy crackers with natural peanut butter.

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