What conditions will planes not fly in?

Flights may be canceled due to wind, precipitation, fog or low visibility, lightning, low clouds, or storms.



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With this in mind, horizontal winds (also known as “crosswinds”) in excess of 30-35 kts (about 34-40 mph) are generally prohibitive of take-off and landing.

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Can a plane take off in a thunderstorm? Technically, it is possible, but pilots and air traffic experts prefer to keep planes on the ground when a storm is present and wait for it to calm down before setting off. Also read: Is It Safe to Fly With an Ear Infection?

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if you suffer from or have had:
  • angina or chest pain at rest.
  • an infectious disease (e.g. chickenpox, flu), including COVID-19.
  • decompression sickness after diving (sometimes called 'the bends')
  • increased pressure in the brain (due to bleeding, injury or infection)
  • infection of your ears or sinuses.
  • recent heart attack.


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Aircraft are designed to fly in almost all environmental conditions. However, some events, such as blizzards, thunderstorms, or extreme winds, can result in delays and cancelations. Poor visibility can significantly limit departures and arrivals at airports.

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While modern aircraft are capable of flying over, or even through, hurricanes, safety risks remain, and carriers usually halt operations are the affected airports instead.

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Hurricanes differ from thunderstorms in that they often occur much closer to the ground. For this reason, planes are sometimes able to fly over hurricanes rather than being redirected around them. While it is possible for planes to fly through the eye of a hurricane, this is only ever done for scientific research.

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In general, the answer is yes.

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While high winds (a crosswind above 40 mph and a tailwind above 10 mph) can occasionally prevent planes from taking off or landing on time, winds won't put your flight in any danger.

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Turbulence might occur during your flight in rainy weather due to the presence of different air masses mixing together and causing disturbances aloft. Warm and cold air masses interacting with each other can result in turbulent conditions high in the sky, making your flight potentially more uncomfortable.

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Hurricane hunting became safer with the introduction of sturdier 4-engine planes, but flying through the eyewall of any hurricane remains a dangerous occupation--one that has claimed six hurricane or typhoon hunter planes, with loss of 53 lives.

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There is no single maximum wind limit as it depends on the direction of wind and phase of flight. A crosswind above about 40mph and tailwind above 10mph can start to cause problems and stop commercial jets taking off and landing. It can sometimes be too windy to take-off or land.

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Accident statistics suggest that flying by night accounts for about 10% of the general aviation accidents, but 30% of the fatalities. That suggests night flying must be inherently more dangerous than aviating when the sun is up.

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Your chances of being involved in a fatal plane crash are incredibly small – around 1 in 11 million, according to Harvard researchers. While your odds of being in a plane accident are about 1 in 1.2 million, survivability rates are about 95.7% – so the odds are with you no matter how you look at it.

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How does weather influence air safety? Weather is a factor in a majority of accidents. Fair weather flying is safest. The most dangerous weather conditions are icing and Level 5 or 6 thunderstorms.

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The “cancellator” effect Virtually all carriers have an internal team dedicated to pouncing on the problem when Mother Nature poses a threat. One of their tools is a computer algorithm that uses national weather forecasts and air traffic control advisories to recommend which flights should get canceled.

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