Experts say climate change contributing to more injuries from airline turbulence

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A Delta Air Lines flight traveling from Salt Lake City to Amsterdam encountered severe turbulence Wednesday, injuring 25 passengers and crew members who required hospitalization and forcing the aircraft to make an emergency diversion to Minnesota. The incident underscores the growing concerns about aviation safety in increasingly unstable atmospheric conditions.

This marks another in a series of turbulence-related incidents reported throughout the year. While deaths from turbulence remain extremely rare, injury rates have steadily climbed.

Aviation experts and meteorologists increasingly point to climate change as a contributing factor, noting that reports of severe turbulence encounters have become more frequent as shifting weather patterns create more volatile flying conditions.

As the Earth warms, increased temperature differences in the atmosphere are intensifying wind shear in jet streams — the fast-moving currents of air at cruising altitudes. These stronger, more variable winds make the air less stable, resulting in more frequent and severe clear-air turbulence, which is invisible and hard to avoid for pilots [1][2][3].

While fatalities remain rare, injuries and serious incidents are increasing as atmospheric conditions become more unpredictable. The aviation industry is responding with technological innovations, enhanced forecasting and improved safety protocols, while passengers are becoming more safety-conscious without significantly reducing travel demand.

 

The science behind jet stream destabilization

Jet streams are high-altitude, fast-moving air currents formed by the temperature contrast between warm air in the tropics and cold air at the poles, combined with Earth’s rotation [28]. As climate change advances, both regions warm but not evenly. The tropics warm faster, causing the atmosphere to hold significantly more moisture and energy compared to the poles, enlarging the temperature gradient between these regions and intensifying the jet stream’s speed [28].

According to recent studies, jet stream wind speeds can increase by about 2% for every degree Celsius of global warming, with the fastest winds accelerating even more rapidly [28]. This results in intensified wind shear — rapid changes in wind speed and direction with altitude — within and near the jet streams. Wind shear at flying altitudes has increased by 15% since 1979 and is projected to rise up to 29% more by 2100 [2].

Climate change also causes jet streams to shift, widen, and become more “wavy” or meandering, contributing to both persistent extreme weather and increased turbulence unpredictability along flight paths [29][31]. The increased atmospheric energy also raises the number of vertical wind shears, amplifying clear-air turbulence [30].

 

Statistical evidence of increasing turbulence

The data reveals alarming trends: severe clear-air turbulence has increased by 55% over the North Atlantic and 41% over the U.S. since 1979. Studies predict further increases, especially along major northern hemisphere flight routes, as global temperatures continue to rise [16][18].

While climate change makes storms more intense and increases turbulence within storms, the most concerning trend is the rise in clear-air turbulence, which can strike without warning and cannot be detected by onboard radar [1][5]. These changes force airlines to reroute or delay flights, sometimes increasing flying times and operational costs, potentially leading to higher ticket prices [4].

 

Recent flight incidents and climate connection

Several high-profile incidents since 2023 underscore the growing risks, with scientific consensus holding that global warming is raising the frequency and intensity of both clear-air and storm-related turbulence:

• Delta Air Lines, Salt Lake City to Amsterdam (July): Severe turbulence struck en route, causing 25 passengers to be hospitalized and forcing an emergency landing in Minneapolis. The scale and unpredictability align with patterns documented in a warming climate where jet streams and wind shear are intensifying [6][21].
• Singapore Airlines, London to Singapore (May 2024): The flight encountered extreme turbulence over Myanmar, attributed to developing convective activity likely intensified by higher atmospheric heat and humidity. One passenger died, and over 100 were injured, representing the first turbulence-related passenger fatality on a major airline in decades [1][7].

Other notable 2024-2025 incidents:

• Qantas, Brisbane approach: Unexpected severe turbulence during descent, tied to freak wind gusts from enhanced thunderstorm downbursts [24]
• Air Europa, Madrid to Montevideo: Six serious injuries from turbulence near the South American coast [22]
• United Airlines, San Francisco to Singapore: Five injured [7]
• Ryanair flight in Germany: Nine injured [7]
• American Airlines, Miami to Raleigh: Five hospitalized [7]

 

Passenger safety guidelines during turbulence

Safety experts and aviation authorities recommend several key precautions:

• Keep seatbelts fastened at all times while seated — this is the single most effective way to prevent injuries [9][10][11]
• Follow crew instructions immediately, especially when the seatbelt sign is activated [9][10]
• Secure loose items and store carry-on bags as directed
• When moving in the cabin, hold onto seat backs for balance and return to your seat as soon as safe [10]
• Pay attention to safety briefings at the start of every flight [9][10]

 

Special considerations for families

For children under two, use an FAA-approved child restraint system (CRS) rather than holding them on your lap, as this is not secure during turbulence [12][20]. Additional family strategies include booking seats over the wings or near the front of the plane where turbulence is generally less intense, bringing comfort items and distractions, and teaching simple calming exercises like slow breathing games [15].

 

Consumer response to turbulence concerns

Growing awareness of turbulence risks is influencing traveler behavior, though not leading to widespread flight avoidance. Data from 2025 show that 55% of consumers have changed flight booking behaviors partly in response to high-profile turbulence incidents [13]. Many conduct more research into airlines’ safety records and turbulence history, with safety now outweighing cost for many travelers.

A 2024 travel insurer survey found that 74% of polled travelers expressed safety concerns when flying, with turbulence being a major factor [35]. Google Trends noted that searches for “flight safety” reached their highest levels in over a decade during 2024, reflecting rising public concern [35].

Despite these anxieties, air travel demand continues to grow globally, with experts projecting 5-10% growth in 2025 [14]. Most people are not canceling flights outright but are becoming more selective and attentive to safety practices, researching routes perceived as smoother, or participating in programs to address aerophobia [33][35].

Industry adaptation and mitigation strategies

Airlines and pilots are employing a multilayered approach to address the predicted rise in turbulence:

 

Enhanced forecasting and data sharing:

• Advanced turbulence prediction models, including Enhanced Turbulence (EDR) mapping and Graphical Turbulence Guidance (GTG) [40][41]
• Real-time sharing networks such as IATA’s Turbulence Aware, which collect and disseminate turbulence data from in-flight aircraft [17]
• Direct reports from other aircraft (PIREPs) and air traffic control notifications [40][41]

 

Technological innovations:

• Sophisticated weather radar to detect storm-related turbulence, supporting course adjustments [40][41]
• AI-driven systems offering early warning by analyzing airflow changes ahead of aircraft [34][44]
• Advanced winglets (“flaplets”) that adjust to turbulent airflow, significantly reducing passenger impact [34]
• Research into infrared and LIDAR sensors for real-time 3D turbulence mapping up to several hundred kilometers ahead [34]

 

Operational adjustments

• Continuous flight route updates based on meteorological data and turbulence forecasts [17][42]
• Enhanced preflight briefings and dispatch support [40][41]
• Extensive crew training in turbulence recognition, avoidance and management [43][44]
• Modified in-flight service procedures to mitigate risks [33]

 

Climate change is measurably worsening aviation turbulence by destabilizing high-altitude wind patterns and intensifying jet stream variability. While fatalities remain rare, injuries and serious incidents are increasing as atmospheric conditions become more unpredictable. The aviation industry is responding with technological innovations, enhanced forecasting and improved safety protocols, while passengers are becoming more safety-conscious.

The most effective passenger protection remains simple: keeping seatbelts fastened, using proper child restraints, and following flight crew guidance as we navigate our changing skies.

 

Sources

 

[1] https://www.bbc.com/future/article/20240524-severe-turbulence-climate-change-singapore-airlines

 

[2] https://www.global-aero.com/navigating-the-impact-of-climate-change-on-aviation/

 

[3] https://www.loe.org/shows/segments.html?programID=25-P13-00022&segmentID=4

 

[4] https://www.washingtonpost.com/climate-environment/interactive/2025/see-where-your-flights-will-experience-this-climate-fueled-turbulence/

 

[5] https://www.cnn.com/travel/air-turbulence-climate-getting-worse

 

[6] https://www.cnn.com/2025/07/31/travel/delta-minneapolis-emergency-landing-turbulence-hnk

 

[7] https://abcnews.go.com/US/wireStory/flight-turbulence-dangerous-passengers-crews-124256895

 

[8] https://www.fox13now.com/news/national-news/in-flight-turbulence-injuries-may-become-more-common-due-to-jet-stream-changes

 

[9] https://www.faa.gov/travelers/fly_safe/turbulence

 

[10] https://www.atsb.gov.au/sites/default/files/media/4718845/AR-2008-034%20Turbulence%20FactSheet_v2.pdf

 

[11] https://www.washingtonpost.com/travel/2024/07/09/flight-turbulence-safety-singapore-europa-forecast/

 

[12] https://www.faa.gov/travelers/fly_children

 

[13] https://www.quantummetric.com/blog/4-ways-tariffs-and-turbulence-are-shifting-consumer-habits

 

[14] https://www.bcg.com/publications/2025/air-travel-demand-outlook

 

[15] https://mocha-travel.com/managing-travel-anxiety-with-kids/

 

[16] https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2023gl103814

 

[17] https://www.weforum.org/stories/2024/11/turbulence-climate-change/

 

[18] https://news.agu.org/press-release/climate-change-will-bring-more-turbulence-to-flights-in-the-northern-hemisphere/

 

[20] https://www.reddit.com/r/ScienceBasedParenting/comments/1dsejhi/infants_on_flights_with_severe_turbulence/

 

[21] https://www.aol.com/more-two-dozen-passengers-taken-045752788.html

 

[22] https://turbli.com/blog/the-most-recent-plane-accidents-caused-by-turbulence/

 

[24] https://theconversation.com/freak-wind-gusts-made-worse-by-climate-change-threaten-airline-passenger-safety-258823

 

[25] https://www.bbc.com/news/articles/ckgy7jx082ro

 

[28] https://news.uchicago.edu/story/jet-stream-will-get-faster-climate-change-continues-study-finds

 

[29] https://www.carbonbrief.org/jet-stream-is-climate-change-causing-more-blocking-weather-events/

 

[30] https://www.climatecentral.org/climate-matters/climate-change-is-disrupting-air-travel-2023

 

[31] https://arctic-council.org/news/shifting-winds-how-a-wavier-polar-jet-stream-causes-extreme-weather-events/

 

[32] https://www.fieldmuseum.org/blog/climate-change-messing-your-jet-set-life

 

[33] https://www.yahoo.com/news/articles/flight-turbulence-becomes-dangerous-passengers-185916393.html

 

[34] https://www.bbc.com/future/article/20250725-how-aircraft-designers-are-beating-rising-turbulence

 

[35] https://www.forbes.com/sites/alexledsom/2024/05/26/aerophobia-as-turbulence-increases-how-to-conquer-your-fear-of-flying/

 

[40] https://science.howstuffworks.com/transport/flight/modern/airline-pilots-predict-turbulence.htm

 

[41] https://flywithcourage.com/how-do-pilots-predict-turbulence/

 

[42] https://www.nordiskbil.com/aviation-prepares-for-a-future-of-increasing-turbulence/

 

[43] https://travelnoire.com/turbulence-increase

 

[44] https://dunlap-stone.edu/The-Rising-Threat-of-Turbulence—Aviation-s-Innovative-Counter_bcsia90e_measures-/