What size are airplane bathrooms?

On some of the newer planes flown by American, Delta, and United, the bathrooms in coach are just 24 inches wide. That's roughly the width of a home dishwasher or what Kim Kardashian says her waist (but not those hips) now measures.



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While you won't find a shower on Singapore Airlines' A380s, you will find some of the most spacious bathrooms in the sky. One of the lavatories has a huge vanity, and is probably the size of 10 typical Boeing 737 MAX bathrooms. Airplane bathrooms don't get much more luxurious than this!

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Meanwhile, the airline that flies more people more miles than any other in the world is, for the most part, ignoring the complaints of its own flight attendants — and those of airline bloggers and consumer advocates — that at just 24 inches wide the tiny restrooms installed on its brand new Boeing 737-MAX airplanes are ...

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Baltimore-Washington International Thurgood Marshall Airport has a cheeky new distinction — its new bathrooms have been declared the best in the nation for 2023. What goes into winning such an award actually took years of work and thinking about the most private areas in most buildings.

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Using The First Class Bathroom Another option is to speak to flight attendants and ask if you're allowed to use the first class bathrooms, as these are generally a little bigger. Some airlines allow anyone from economy to use the first class bathroom if they want to but we recommend asking just in case.

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In this post:
  • Emirates A380 first class.
  • Etihad A380 first class.
  • Singapore Airlines A380 Suites.
  • Qatar Airways A380 first class.
  • Lufthansa A380 first class.
  • All Nippon Airways 777 first class.


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Tampa International Airport has a new honor to add to its list of #1 accolades: Winner of the 2022 Cintas America's Best Restroom Contest.

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Having flown on American's narrow-body aircraft hundreds of times, I can confirm that the slimline lavatories are tiny — it's certainly too small for disabled passengers to use effectively and likely poses a significant challenge to anyone who is even a pound or two overweight.

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On some of the newer planes flown by American, Delta and United airlines, the bathrooms in coach are just 24 inches wide. For comparison, that's roughly the width of the average dishwasher or the size of Kim Kardashian's waist. By comparison, the average porta-potty is roughly 34 inches wide.

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Despite the ban on smoking, it remains a Federal Aviation Administration (FAA) requirement to have such ashtrays in the bathroom. The reason is that there should still be a safe place provided to extinguish and place a cigarette, should someone decide (against the law) to light one.

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1. Newark Liberty International Airport (EWR) — BTS data shows 24.29% of flights at this New Jersey airport were delayed or cancelled between July 2019 and July 2021. Recently, EWR was shifted from being part of the NYC code by the International Air Transport Association, reported Travel + Leisure.

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Let's start at the beginning: Every surface of an airplane lavatory is supposed to be cleaned with disinfectants and deodorizers after each arrival and during overnight layovers.

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An airplane bathroom does not use the water like a regular bathroom. Instead, it uses a vacuum system, and when it flushes it moves into a septic tank that is on the airplane. The pipes used are much smaller than regular plumbing pipes and they can be placed in any direction since they do not use gravity and water.

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When you gotta go, you gotta go, and the one standard in domestic first class is that there's only one bathroom at the front of the plane (assuming it's a single-aisle aircraft, as is the case for 99% of all intra-US flights). If I have to go and the front lav is occupied, I head to the ones in the rear.

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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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Benefits of Flying in First Class And, of course, on board, they often get extra legroom, a wider seat with a more exaggerated recline, a blanket and a pillow, a plush amenity kit, beverage service that includes alcohol, and better food (and more of it).

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Boarding and While Onboard
Avoid caffeine, alcohol and soft drinks to prevent frequent trips to the bathroom. Consider limiting fluids before a flight. Travelers choosing this option should use caution to avoid dehydration, and be sure to re-hydrate upon arrival at the destination.

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