Mount Lewotobi Laki-Laki is a volcano on the island of Flores, which is about 500 km away from Bali. This volcano started erupting on November 3, 2024. The eruption sent a giant cloud of ash into the sky. The ash reached a height of 9 km (6 miles), which is higher than most aeroplanes fly! This ash made it dangerous for airplanes to fly safely to and from Bali, so airlines had to cancel flights.
Several airlines, including Jetstar, Virgin Australia, and Qantas,cancelledd flights to Bali. Other airlines like AirAsia also cancelled their flights. 84 flights were affected, and 64 international flights were cancelled. This left many passengers stuck at airports with no way to travel.
Why Volcanic Ash Is Dangerous for Flights
Volcanic ash may look harmless, but it is very dangerous for planes. The ash is made up of tiny particles that can cause a lot of damage to airplanes. Here are some of the reasons why volcanic ash is so dangerous:
- Windscreens: Ash can scratch airplane windows, making it hard for pilots to see. It’s like rubbing sandpaper on a window, which can permanently damage it.
- Sensors: The ash can block or damage sensors on the airplane. This can give the pilots wrong information about the plane’s speed and altitude.
- Engines: The biggest danger is to the engines. When volcanic ash gets into the engines, it can cause them to stop working. The ash can melt and build up inside the engine, which can lead to the engine stalling or “flaming out.”
This happened in 1982 when a British Airways plane lost all four engines after flying through volcanic ash in Indonesia. The pilots could restart the engines and land safely, but it showed how dangerous volcanic ash can be for airplanes.

Which Airlines Were Affected?
The eruption of Mount Lewotobi Laki-Laki caused a lot of trouble for airlines and passengers. Some of the airlines affected by the eruption were:
- Jetstar: This Australian airline canceled all its flights to and from Bali.
- Virgin Australia: Another Australian airline that canceled flights to Bali due to the volcanic ash.
- Qantas: This airline had several flights delayed and canceled because of the ash cloud.
- AirAsia: Flights from other countries like Singapore, Hong Kong, Malaysia, and South Korea were also canceled.
The canceled flights affected many travelers from around the world. Passengers from places like Australia, Singapore, India, and Hong Kong found themselves stuck at airports, unable to travel.
The Risks of Flying Through Volcanic Ash
Airlines cancel flights when volcanic ash ish in the air because it is too risky to fly through. Pilots and airlines always put safety first. The ash can damage the plane and make flying unsafe. Here’s how airlines decide whether it is safe to fly or not:
- Ash Cloud Size: Airlines check how big the ash cloud is. If the ash cloud is too large, it’s not safe for planes to fly through it.
- Wind Direction: Ash clouds can travel far with the wind, and the wind direction can change quickly. This means the ash cloud might move to other areas, including where planes fly.
- International Safety Guidelines: The International Civil Aviation Organization (ICAO)advisese when it is safe to fly. Airlines follow these guidelines to make sure the flights are safe.
Passenger safety is always the top priority. Airlines ensure passengers are not at risk even if it means cancelling flights and causing delays.

How the Airlines Responded to the Disruption
Airlines worked hard to keep passengers informed and help them find solutions. Here’s how they responded:
- Communication: Airlines like Qantas and Virgin Australia contacted passengers whose flights were canceled. They let them know about the situation and their options, such as rebooking flights or getting refunds.
- Compensation: Some airlines, like Qantas, offered passengers full refunds, travel credits, or the option to change flight dates. This helped passengers who had their holiday plans disrupted.
However, not all airlines could offer compensation because the volcanic eruption was an unexpected natural event. Passengers affected had to wait at airports until flights were safe to resume.
Conclusion
The eruption of Mount Lewotobi Laki-Laki caused a lot of trouble for travellers heading to Bali. Many flights were cancelled, and passengers had to wait for the ash cloud to clear. While this caused frustration for many, airlines worked hard to ensure passengers’ safety. If you plan to visit Bali soon, stay informed and check with your airline for updates. By being prepared, you can make sure your travels stay safe and enjoyable.
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