Mount Sinabung eruption cancels 15 flights and closes Kualanamu airport in 2026
Mount Sinabung’s eruption disrupted flights between Jakarta and North Sumatra on September 2, with 15 cancellations and 14 delays reported. Kualanamu airport was closed because of volcanic activity, while authorities monitored conditions and coordinated with airlines.
By DoomRadar · Published on DoomRadar . Updated .
How the effects could reach youConditional effects
Based on two sources with available article excerpts. Source-linked claims are not independent confirmation.
Event date: The flight disruption and reported airport closure occurred on September 2, 2026, after Mount Sinabung erupted. [1][2]
What happened
An airport official said Mount Sinabung’s eruption caused 15 flights to and from Jakarta to be canceled and 14 others to be delayed. The cancellations were classified as a force majeure event linked to the eruption. [1]
References for this detail (1)
- Indonesia's Sinabung eruption cancels 15 flights to, from Jakarta, delays 14-Xinhuaenglish.news.cn · Recorded source date: Sep 2, 2026, 11:31 AM UTC
The affected service connected Soekarno-Hatta International Airport in Tangerang, west of Jakarta, with Kualanamu International Airport in North Sumatra. On the previous Tuesday, the route recorded 41 aircraft movements and carried about 5,350 passengers. [1]
References for this detail (1)
- Indonesia's Sinabung eruption cancels 15 flights to, from Jakarta, delays 14-Xinhuaenglish.news.cn · Recorded source date: Sep 2, 2026, 11:31 AM UTC
ANTARA reported that Kualanamu was closed because of volcanic activity, meaning flights could be delayed, canceled or diverted. The report did not establish how long the closure would last. [2]
References for this detail (1)
- Sinabung eruption disrupts flights between Jakarta, North Sumatraen.antaranews.com · Article published: Sep 2, 2026, 4:56 AM UTC
Soekarno-Hatta airport management said it was coordinating with airlines and relevant authorities to monitor Mount Sinabung and anticipate further disruptions. Passengers were told to obtain updated flight information from their airlines. [1][2]
References for this detail (2)
- Indonesia's Sinabung eruption cancels 15 flights to, from Jakarta, delays 14-Xinhuaenglish.news.cn · Recorded source date: Sep 2, 2026, 11:31 AM UTC
- Sinabung eruption disrupts flights between Jakarta, North Sumatraen.antaranews.com · Article published: Sep 2, 2026, 4:56 AM UTC
Context from the sources
The airport response was precautionary as well as operational: authorities said they were coordinating with airlines and other stakeholders to keep passenger services running as conditions evolved. [2]
Explore the sources and reporting timeline
2 source links · 2 domains
These counts describe the references, not independent confirmations. Different outlets can repeat the same original report.
Source timeline
Oldest to newest among the available source dates, not a chronology of the incident. Article publication dates come from the source; other recorded dates may reflect when a link was found.
- [2] Sinabung eruption disrupts flights between Jakarta, North Sumatraen.antaranews.comReferenced for: detail 3, detail 4
- [1] Indonesia's Sinabung eruption cancels 15 flights to, from Jakarta, delays 14-Xinhuaenglish.news.cnReferenced for: detail 1, detail 2, detail 4
Questions answered by the reporting
What this could mean for you
Flight cancellations, delays or diversions on services involving Kualanamu
Volcanic activity led to the airport’s reported closure and disrupted the Jakarta route.
Reported basis: [2][1] · The possible effect is interpretation.
Depends on: Sinabung activity continues to affect flight operations.
Possible time frame: days, if those conditions hold.
Aircraft and passenger schedules may need repeated rebooking
Airport operators and airlines must adjust operations while monitoring changing volcanic conditions.
Reported basis: [2] · The possible effect is interpretation.
Depends on: Authorities maintain restrictions or detect renewed hazards.
Possible time frame: days, if those conditions hold.
Possible consequences, not a forecast. Their relevance depends on your location and the conditions above.
For your country
Choose a country to check how this event could affect you.
What changes the outlook
Risk increases if…
Continued volcanic activity keeps Kualanamu closed or unsafe for flights
Authorities identify conditions requiring further cancellations or diversions
Pressure eases if…
Kualanamu reopens after aviation authorities assess conditions
Airlines restore services once the route is cleared for operations
Still unclear
The excerpts do not establish the eruption’s duration, ash conditions or whether the airport remained closed after the reported disruption.
The number of passengers affected by the 15 canceled and 14 delayed flights is not given.
Market implications
Market impact
Sources (2)
References for the reported details. Separate links do not necessarily mean independent confirmation.
Available excerpt
JAKARTA, Sept. 2 (Xinhua) -- The eruption of Mount Sinabung in Indonesia's North Sumatra province has caused 15 flights to and from Jakarta to be…A short excerpt from our source record; open the original for the full article.
Available excerpt
Tangerang, Banten (ANTARA) - Flights between Jakarta’s Soekarno-Hatta International Airport and Kualanamu International Airport in North Sumatra were disrupted after Mount Sinabung erupted, prompting cancellations…A short excerpt from our source record; open the original for the full article.
First tracked by DoomRadar: . AI-assisted analysis · . Based on linked headlines and available excerpts. Methodology · Report an error.